Home / 26,862.10-40,293.15-8,141.20

Finding the Fourth Proportional to 26,862.10, 40,293.15 and 8,141.20

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Solution

The fourth proportional to 26,862.10, 40,293.15 and 8,141.20 is: 12,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.10 : 40,293.15 = 8,141.20 : x
  2. Step 2: Convert to fraction form
    26,862.10/40,293.15 = 8,141.20/x
  3. Step 3: Cross multiply
    26,862.10x = 40,293.15 × 8,141.20
  4. Step 4: Simplify right side
    26,862.10x = 328,034,592.78
  5. Step 5: Solve for x
    x = 328,034,592.78/26,862.10
  6. Step 6: Final answer
    x = 12,211.80

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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.