Home / 17,624.64-26,385.72-13,717.20

Finding the Fourth Proportional to 17,624.64, 26,385.72 and 13,717.20

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Solution

The fourth proportional to 17,624.64, 26,385.72 and 13,717.20 is: 20,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,624.64 : 26,385.72 = 13,717.20 : x
  2. Step 2: Convert to fraction form
    17,624.64/26,385.72 = 13,717.20/x
  3. Step 3: Cross multiply
    17,624.64x = 26,385.72 × 13,717.20
  4. Step 4: Simplify right side
    17,624.64x = 361,938,198.38
  5. Step 5: Solve for x
    x = 361,938,198.38/17,624.64
  6. Step 6: Final answer
    x = 20,535.92

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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.