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Finding the Fourth Proportional to 27,753.01, 38,302.86 and 15,655.96

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Solution

The fourth proportional to 27,753.01, 38,302.86 and 15,655.96 is: 21,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.01 : 38,302.86 = 15,655.96 : x
  2. Step 2: Convert to fraction form
    27,753.01/38,302.86 = 15,655.96/x
  3. Step 3: Cross multiply
    27,753.01x = 38,302.86 × 15,655.96
  4. Step 4: Simplify right side
    27,753.01x = 599,668,044.05
  5. Step 5: Solve for x
    x = 599,668,044.05/27,753.01
  6. Step 6: Final answer
    x = 21,607.32

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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.