Home / 23,278.20-34,905.60-11,432.76

Finding the Fourth Proportional to 23,278.20, 34,905.60 and 11,432.76

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Solution

The fourth proportional to 23,278.20, 34,905.60 and 11,432.76 is: 17,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.20 : 34,905.60 = 11,432.76 : x
  2. Step 2: Convert to fraction form
    23,278.20/34,905.60 = 11,432.76/x
  3. Step 3: Cross multiply
    23,278.20x = 34,905.60 × 11,432.76
  4. Step 4: Simplify right side
    23,278.20x = 399,067,347.46
  5. Step 5: Solve for x
    x = 399,067,347.46/23,278.20
  6. Step 6: Final answer
    x = 17,143.39

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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.