Home / 23,006.70-31,748.67-13,575.90

Finding the Fourth Proportional to 23,006.70, 31,748.67 and 13,575.90

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Solution

The fourth proportional to 23,006.70, 31,748.67 and 13,575.90 is: 18,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,006.70 : 31,748.67 = 13,575.90 : x
  2. Step 2: Convert to fraction form
    23,006.70/31,748.67 = 13,575.90/x
  3. Step 3: Cross multiply
    23,006.70x = 31,748.67 × 13,575.90
  4. Step 4: Simplify right side
    23,006.70x = 431,016,769.05
  5. Step 5: Solve for x
    x = 431,016,769.05/23,006.70
  6. Step 6: Final answer
    x = 18,734.40

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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.