Home / 22,916.10-34,374.15-20,145.90

Finding the Fourth Proportional to 22,916.10, 34,374.15 and 20,145.90

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Solution

The fourth proportional to 22,916.10, 34,374.15 and 20,145.90 is: 30,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.10 : 34,374.15 = 20,145.90 : x
  2. Step 2: Convert to fraction form
    22,916.10/34,374.15 = 20,145.90/x
  3. Step 3: Cross multiply
    22,916.10x = 34,374.15 × 20,145.90
  4. Step 4: Simplify right side
    22,916.10x = 692,498,188.49
  5. Step 5: Solve for x
    x = 692,498,188.49/22,916.10
  6. Step 6: Final answer
    x = 30,218.85

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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.