Home / 20,441.59-28,209.65-12,375.14

Finding the Fourth Proportional to 20,441.59, 28,209.65 and 12,375.14

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Solution

The fourth proportional to 20,441.59, 28,209.65 and 12,375.14 is: 17,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.59 : 28,209.65 = 12,375.14 : x
  2. Step 2: Convert to fraction form
    20,441.59/28,209.65 = 12,375.14/x
  3. Step 3: Cross multiply
    20,441.59x = 28,209.65 × 12,375.14
  4. Step 4: Simplify right side
    20,441.59x = 349,098,165.18
  5. Step 5: Solve for x
    x = 349,098,165.18/20,441.59
  6. Step 6: Final answer
    x = 17,077.84

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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.