Home / 28,348.08-39,123.72-16,252.89

Finding the Fourth Proportional to 28,348.08, 39,123.72 and 16,252.89

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Solution

The fourth proportional to 28,348.08, 39,123.72 and 16,252.89 is: 22,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.08 : 39,123.72 = 16,252.89 : x
  2. Step 2: Convert to fraction form
    28,348.08/39,123.72 = 16,252.89/x
  3. Step 3: Cross multiply
    28,348.08x = 39,123.72 × 16,252.89
  4. Step 4: Simplify right side
    28,348.08x = 635,873,517.55
  5. Step 5: Solve for x
    x = 635,873,517.55/28,348.08
  6. Step 6: Final answer
    x = 22,430.92

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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.