Home / 40,465.92-55,869.12-28,344.66

Finding the Fourth Proportional to 40,465.92, 55,869.12 and 28,344.66

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Solution

The fourth proportional to 40,465.92, 55,869.12 and 28,344.66 is: 39,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.92 : 55,869.12 = 28,344.66 : x
  2. Step 2: Convert to fraction form
    40,465.92/55,869.12 = 28,344.66/x
  3. Step 3: Cross multiply
    40,465.92x = 55,869.12 × 28,344.66
  4. Step 4: Simplify right side
    40,465.92x = 1,583,591,210.90
  5. Step 5: Solve for x
    x = 1,583,591,210.90/40,465.92
  6. Step 6: Final answer
    x = 39,133.95

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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.