Home / 43,286.95-64,934.16-15,204.61

Finding the Fourth Proportional to 43,286.95, 64,934.16 and 15,204.61

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Solution

The fourth proportional to 43,286.95, 64,934.16 and 15,204.61 is: 22,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.95 : 64,934.16 = 15,204.61 : x
  2. Step 2: Convert to fraction form
    43,286.95/64,934.16 = 15,204.61/x
  3. Step 3: Cross multiply
    43,286.95x = 64,934.16 × 15,204.61
  4. Step 4: Simplify right side
    43,286.95x = 987,298,578.48
  5. Step 5: Solve for x
    x = 987,298,578.48/43,286.95
  6. Step 6: Final answer
    x = 22,808.23

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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.