Home / 40,154.28-55,459.40-26,702.20

Finding the Fourth Proportional to 40,154.28, 55,459.40 and 26,702.20

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Solution

The fourth proportional to 40,154.28, 55,459.40 and 26,702.20 is: 36,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.28 : 55,459.40 = 26,702.20 : x
  2. Step 2: Convert to fraction form
    40,154.28/55,459.40 = 26,702.20/x
  3. Step 3: Cross multiply
    40,154.28x = 55,459.40 × 26,702.20
  4. Step 4: Simplify right side
    40,154.28x = 1,480,887,990.68
  5. Step 5: Solve for x
    x = 1,480,887,990.68/40,154.28
  6. Step 6: Final answer
    x = 36,879.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.