Home / 23,278.38-32,124.11-12,668.01

Finding the Fourth Proportional to 23,278.38, 32,124.11 and 12,668.01

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Solution

The fourth proportional to 23,278.38, 32,124.11 and 12,668.01 is: 17,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.38 : 32,124.11 = 12,668.01 : x
  2. Step 2: Convert to fraction form
    23,278.38/32,124.11 = 12,668.01/x
  3. Step 3: Cross multiply
    23,278.38x = 32,124.11 × 12,668.01
  4. Step 4: Simplify right side
    23,278.38x = 406,948,483.38
  5. Step 5: Solve for x
    x = 406,948,483.38/23,278.38
  6. Step 6: Final answer
    x = 17,481.82

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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.