Home / 27,637.92-38,140.43-15,705.23

Finding the Fourth Proportional to 27,637.92, 38,140.43 and 15,705.23

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Solution

The fourth proportional to 27,637.92, 38,140.43 and 15,705.23 is: 21,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.92 : 38,140.43 = 15,705.23 : x
  2. Step 2: Convert to fraction form
    27,637.92/38,140.43 = 15,705.23/x
  3. Step 3: Cross multiply
    27,637.92x = 38,140.43 × 15,705.23
  4. Step 4: Simplify right side
    27,637.92x = 599,003,956.22
  5. Step 5: Solve for x
    x = 599,003,956.22/27,637.92
  6. Step 6: Final answer
    x = 21,673.26

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Half scale
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Double scale
Find fourth proportional to 27,638.92, 38,141.81 and 15,706.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.