Home / 28,981.59-39,992.56-16,232.59

Finding the Fourth Proportional to 28,981.59, 39,992.56 and 16,232.59

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Solution

The fourth proportional to 28,981.59, 39,992.56 and 16,232.59 is: 22,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.59 : 39,992.56 = 16,232.59 : x
  2. Step 2: Convert to fraction form
    28,981.59/39,992.56 = 16,232.59/x
  3. Step 3: Cross multiply
    28,981.59x = 39,992.56 × 16,232.59
  4. Step 4: Simplify right side
    28,981.59x = 649,182,829.53
  5. Step 5: Solve for x
    x = 649,182,829.53/28,981.59
  6. Step 6: Final answer
    x = 22,399.83

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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.