Home / 18,332.20-27,535.12-17,815.42

Finding the Fourth Proportional to 18,332.20, 27,535.12 and 17,815.42

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Solution

The fourth proportional to 18,332.20, 27,535.12 and 17,815.42 is: 26,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.20 : 27,535.12 = 17,815.42 : x
  2. Step 2: Convert to fraction form
    18,332.20/27,535.12 = 17,815.42/x
  3. Step 3: Cross multiply
    18,332.20x = 27,535.12 × 17,815.42
  4. Step 4: Simplify right side
    18,332.20x = 490,549,727.55
  5. Step 5: Solve for x
    x = 490,549,727.55/18,332.20
  6. Step 6: Final answer
    x = 26,758.91

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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.