Home / 26,947.02-40,425.03-12,155.61

Finding the Fourth Proportional to 26,947.02, 40,425.03 and 12,155.61

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Solution

The fourth proportional to 26,947.02, 40,425.03 and 12,155.61 is: 18,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.02 : 40,425.03 = 12,155.61 : x
  2. Step 2: Convert to fraction form
    26,947.02/40,425.03 = 12,155.61/x
  3. Step 3: Cross multiply
    26,947.02x = 40,425.03 × 12,155.61
  4. Step 4: Simplify right side
    26,947.02x = 491,390,898.92
  5. Step 5: Solve for x
    x = 491,390,898.92/26,947.02
  6. Step 6: Final answer
    x = 18,235.44

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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.