Home / 38,001.27-52,440.72-21,004.32

Finding the Fourth Proportional to 38,001.27, 52,440.72 and 21,004.32

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Solution

The fourth proportional to 38,001.27, 52,440.72 and 21,004.32 is: 28,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.27 : 52,440.72 = 21,004.32 : x
  2. Step 2: Convert to fraction form
    38,001.27/52,440.72 = 21,004.32/x
  3. Step 3: Cross multiply
    38,001.27x = 52,440.72 × 21,004.32
  4. Step 4: Simplify right side
    38,001.27x = 1,101,481,663.91
  5. Step 5: Solve for x
    x = 1,101,481,663.91/38,001.27
  6. Step 6: Final answer
    x = 28,985.39

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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.