Home / 28,207.52-38,927.04-15,632

Finding the Fourth Proportional to 28,207.52, 38,927.04 and 15,632

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Solution

The fourth proportional to 28,207.52, 38,927.04 and 15,632 is: 21,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.52 : 38,927.04 = 15,632 : x
  2. Step 2: Convert to fraction form
    28,207.52/38,927.04 = 15,632/x
  3. Step 3: Cross multiply
    28,207.52x = 38,927.04 × 15,632
  4. Step 4: Simplify right side
    28,207.52x = 608,507,489.28
  5. Step 5: Solve for x
    x = 608,507,489.28/28,207.52
  6. Step 6: Final answer
    x = 21,572.53

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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.