Home / 28,084.60-42,098.10-16,391.80

Finding the Fourth Proportional to 28,084.60, 42,098.10 and 16,391.80

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Solution

The fourth proportional to 28,084.60, 42,098.10 and 16,391.80 is: 24,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.60 : 42,098.10 = 16,391.80 : x
  2. Step 2: Convert to fraction form
    28,084.60/42,098.10 = 16,391.80/x
  3. Step 3: Cross multiply
    28,084.60x = 42,098.10 × 16,391.80
  4. Step 4: Simplify right side
    28,084.60x = 690,063,635.58
  5. Step 5: Solve for x
    x = 690,063,635.58/28,084.60
  6. Step 6: Final answer
    x = 24,570.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.