Home / 28,737.62-39,663.36-17,987.48

Finding the Fourth Proportional to 28,737.62, 39,663.36 and 17,987.48

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Solution

The fourth proportional to 28,737.62, 39,663.36 and 17,987.48 is: 24,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.62 : 39,663.36 = 17,987.48 : x
  2. Step 2: Convert to fraction form
    28,737.62/39,663.36 = 17,987.48/x
  3. Step 3: Cross multiply
    28,737.62x = 39,663.36 × 17,987.48
  4. Step 4: Simplify right side
    28,737.62x = 713,443,894.73
  5. Step 5: Solve for x
    x = 713,443,894.73/28,737.62
  6. Step 6: Final answer
    x = 24,826.13

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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.