Home / 28,549.25-42,799.26-13,737.80

Finding the Fourth Proportional to 28,549.25, 42,799.26 and 13,737.80

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Solution

The fourth proportional to 28,549.25, 42,799.26 and 13,737.80 is: 20,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.25 : 42,799.26 = 13,737.80 : x
  2. Step 2: Convert to fraction form
    28,549.25/42,799.26 = 13,737.80/x
  3. Step 3: Cross multiply
    28,549.25x = 42,799.26 × 13,737.80
  4. Step 4: Simplify right side
    28,549.25x = 587,967,460.03
  5. Step 5: Solve for x
    x = 587,967,460.03/28,549.25
  6. Step 6: Final answer
    x = 20,594.85

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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.