Home / 21,359.52-29,487.60-14,298

Finding the Fourth Proportional to 21,359.52, 29,487.60 and 14,298

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Solution

The fourth proportional to 21,359.52, 29,487.60 and 14,298 is: 19,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.52 : 29,487.60 = 14,298 : x
  2. Step 2: Convert to fraction form
    21,359.52/29,487.60 = 14,298/x
  3. Step 3: Cross multiply
    21,359.52x = 29,487.60 × 14,298
  4. Step 4: Simplify right side
    21,359.52x = 421,613,704.80
  5. Step 5: Solve for x
    x = 421,613,704.80/21,359.52
  6. Step 6: Final answer
    x = 19,738.91

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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.