Home / 23,278.13-32,124.49-12,668.44

Finding the Fourth Proportional to 23,278.13, 32,124.49 and 12,668.44

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Solution

The fourth proportional to 23,278.13, 32,124.49 and 12,668.44 is: 17,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.13 : 32,124.49 = 12,668.44 : x
  2. Step 2: Convert to fraction form
    23,278.13/32,124.49 = 12,668.44/x
  3. Step 3: Cross multiply
    23,278.13x = 32,124.49 × 12,668.44
  4. Step 4: Simplify right side
    23,278.13x = 406,967,174.10
  5. Step 5: Solve for x
    x = 406,967,174.10/23,278.13
  6. Step 6: Final answer
    x = 17,482.81

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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.