Home / 27,906.44-38,510.88-15,331.18

Finding the Fourth Proportional to 27,906.44, 38,510.88 and 15,331.18

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Solution

The fourth proportional to 27,906.44, 38,510.88 and 15,331.18 is: 21,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906.44 : 38,510.88 = 15,331.18 : x
  2. Step 2: Convert to fraction form
    27,906.44/38,510.88 = 15,331.18/x
  3. Step 3: Cross multiply
    27,906.44x = 38,510.88 × 15,331.18
  4. Step 4: Simplify right side
    27,906.44x = 590,417,233.24
  5. Step 5: Solve for x
    x = 590,417,233.24/27,906.44
  6. Step 6: Final answer
    x = 21,157.02

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Half scale
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Double scale
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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.