Home / 20,087.52-27,737.82-14,132.40

Finding the Fourth Proportional to 20,087.52, 27,737.82 and 14,132.40

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Solution

The fourth proportional to 20,087.52, 27,737.82 and 14,132.40 is: 19,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.52 : 27,737.82 = 14,132.40 : x
  2. Step 2: Convert to fraction form
    20,087.52/27,737.82 = 14,132.40/x
  3. Step 3: Cross multiply
    20,087.52x = 27,737.82 × 14,132.40
  4. Step 4: Simplify right side
    20,087.52x = 392,001,967.37
  5. Step 5: Solve for x
    x = 392,001,967.37/20,087.52
  6. Step 6: Final answer
    x = 19,514.70

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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.