Home / 26,957.88-40,387.55-19,543.95

Finding the Fourth Proportional to 26,957.88, 40,387.55 and 19,543.95

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Solution

The fourth proportional to 26,957.88, 40,387.55 and 19,543.95 is: 29,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,957.88 : 40,387.55 = 19,543.95 : x
  2. Step 2: Convert to fraction form
    26,957.88/40,387.55 = 19,543.95/x
  3. Step 3: Cross multiply
    26,957.88x = 40,387.55 × 19,543.95
  4. Step 4: Simplify right side
    26,957.88x = 789,332,160.10
  5. Step 5: Solve for x
    x = 789,332,160.10/26,957.88
  6. Step 6: Final answer
    x = 29,280.20

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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.