Home / 28,781.12-42,969.79-24,353.66

Finding the Fourth Proportional to 28,781.12, 42,969.79 and 24,353.66

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Solution

The fourth proportional to 28,781.12, 42,969.79 and 24,353.66 is: 36,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.12 : 42,969.79 = 24,353.66 : x
  2. Step 2: Convert to fraction form
    28,781.12/42,969.79 = 24,353.66/x
  3. Step 3: Cross multiply
    28,781.12x = 42,969.79 × 24,353.66
  4. Step 4: Simplify right side
    28,781.12x = 1,046,471,655.93
  5. Step 5: Solve for x
    x = 1,046,471,655.93/28,781.12
  6. Step 6: Final answer
    x = 36,359.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.