Home / 27,630.01-38,128.17-15,693.16

Finding the Fourth Proportional to 27,630.01, 38,128.17 and 15,693.16

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Solution

The fourth proportional to 27,630.01, 38,128.17 and 15,693.16 is: 21,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.01 : 38,128.17 = 15,693.16 : x
  2. Step 2: Convert to fraction form
    27,630.01/38,128.17 = 15,693.16/x
  3. Step 3: Cross multiply
    27,630.01x = 38,128.17 × 15,693.16
  4. Step 4: Simplify right side
    27,630.01x = 598,351,472.32
  5. Step 5: Solve for x
    x = 598,351,472.32/27,630.01
  6. Step 6: Final answer
    x = 21,655.85

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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.