Home / 28,872.06-39,840.57-16,294.38

Finding the Fourth Proportional to 28,872.06, 39,840.57 and 16,294.38

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Solution

The fourth proportional to 28,872.06, 39,840.57 and 16,294.38 is: 22,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.06 : 39,840.57 = 16,294.38 : x
  2. Step 2: Convert to fraction form
    28,872.06/39,840.57 = 16,294.38/x
  3. Step 3: Cross multiply
    28,872.06x = 39,840.57 × 16,294.38
  4. Step 4: Simplify right side
    28,872.06x = 649,177,387.00
  5. Step 5: Solve for x
    x = 649,177,387.00/28,872.06
  6. Step 6: Final answer
    x = 22,484.62

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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.