Home / 23,557.55-32,510.11-12,947.87

Finding the Fourth Proportional to 23,557.55, 32,510.11 and 12,947.87

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Solution

The fourth proportional to 23,557.55, 32,510.11 and 12,947.87 is: 17,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,557.55 : 32,510.11 = 12,947.87 : x
  2. Step 2: Convert to fraction form
    23,557.55/32,510.11 = 12,947.87/x
  3. Step 3: Cross multiply
    23,557.55x = 32,510.11 × 12,947.87
  4. Step 4: Simplify right side
    23,557.55x = 420,936,726.87
  5. Step 5: Solve for x
    x = 420,936,726.87/23,557.55
  6. Step 6: Final answer
    x = 17,868.44

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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.