Home / 26,862.60-40,293.90-8,141.70

Finding the Fourth Proportional to 26,862.60, 40,293.90 and 8,141.70

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Solution

The fourth proportional to 26,862.60, 40,293.90 and 8,141.70 is: 12,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862.60 : 40,293.90 = 8,141.70 : x
  2. Step 2: Convert to fraction form
    26,862.60/40,293.90 = 8,141.70/x
  3. Step 3: Cross multiply
    26,862.60x = 40,293.90 × 8,141.70
  4. Step 4: Simplify right side
    26,862.60x = 328,060,845.63
  5. Step 5: Solve for x
    x = 328,060,845.63/26,862.60
  6. Step 6: Final answer
    x = 12,212.55

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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.