Home / 28,297.64-42,446.46-13,517.03

Finding the Fourth Proportional to 28,297.64, 42,446.46 and 13,517.03

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Solution

The fourth proportional to 28,297.64, 42,446.46 and 13,517.03 is: 20,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.64 : 42,446.46 = 13,517.03 : x
  2. Step 2: Convert to fraction form
    28,297.64/42,446.46 = 13,517.03/x
  3. Step 3: Cross multiply
    28,297.64x = 42,446.46 × 13,517.03
  4. Step 4: Simplify right side
    28,297.64x = 573,750,073.21
  5. Step 5: Solve for x
    x = 573,750,073.21/28,297.64
  6. Step 6: Final answer
    x = 20,275.55

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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.