Home / 22,345.47-33,517.80-18,857.88

Finding the Fourth Proportional to 22,345.47, 33,517.80 and 18,857.88

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Solution

The fourth proportional to 22,345.47, 33,517.80 and 18,857.88 is: 28,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.47 : 33,517.80 = 18,857.88 : x
  2. Step 2: Convert to fraction form
    22,345.47/33,517.80 = 18,857.88/x
  3. Step 3: Cross multiply
    22,345.47x = 33,517.80 × 18,857.88
  4. Step 4: Simplify right side
    22,345.47x = 632,074,650.26
  5. Step 5: Solve for x
    x = 632,074,650.26/22,345.47
  6. Step 6: Final answer
    x = 28,286.48

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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.