Home / 28,862.10-43,293.15-8,082.90

Finding the Fourth Proportional to 28,862.10, 43,293.15 and 8,082.90

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Solution

The fourth proportional to 28,862.10, 43,293.15 and 8,082.90 is: 12,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.10 : 43,293.15 = 8,082.90 : x
  2. Step 2: Convert to fraction form
    28,862.10/43,293.15 = 8,082.90/x
  3. Step 3: Cross multiply
    28,862.10x = 43,293.15 × 8,082.90
  4. Step 4: Simplify right side
    28,862.10x = 349,934,202.14
  5. Step 5: Solve for x
    x = 349,934,202.14/28,862.10
  6. Step 6: Final answer
    x = 12,124.35

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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.