Home / 27,551.92-38,022.80-15,615.12

Finding the Fourth Proportional to 27,551.92, 38,022.80 and 15,615.12

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Solution

The fourth proportional to 27,551.92, 38,022.80 and 15,615.12 is: 21,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.92 : 38,022.80 = 15,615.12 : x
  2. Step 2: Convert to fraction form
    27,551.92/38,022.80 = 15,615.12/x
  3. Step 3: Cross multiply
    27,551.92x = 38,022.80 × 15,615.12
  4. Step 4: Simplify right side
    27,551.92x = 593,730,584.74
  5. Step 5: Solve for x
    x = 593,730,584.74/27,551.92
  6. Step 6: Final answer
    x = 21,549.52

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Half scale
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Double scale
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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.