Home / 21,640.49-32,397.47-19,565.27

Finding the Fourth Proportional to 21,640.49, 32,397.47 and 19,565.27

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Solution

The fourth proportional to 21,640.49, 32,397.47 and 19,565.27 is: 29,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.49 : 32,397.47 = 19,565.27 : x
  2. Step 2: Convert to fraction form
    21,640.49/32,397.47 = 19,565.27/x
  3. Step 3: Cross multiply
    21,640.49x = 32,397.47 × 19,565.27
  4. Step 4: Simplify right side
    21,640.49x = 633,865,150.04
  5. Step 5: Solve for x
    x = 633,865,150.04/21,640.49
  6. Step 6: Final answer
    x = 29,290.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.