Home / 38,687.69-58,031.28-18,673.82

Finding the Fourth Proportional to 38,687.69, 58,031.28 and 18,673.82

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Solution

The fourth proportional to 38,687.69, 58,031.28 and 18,673.82 is: 28,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.69 : 58,031.28 = 18,673.82 : x
  2. Step 2: Convert to fraction form
    38,687.69/58,031.28 = 18,673.82/x
  3. Step 3: Cross multiply
    38,687.69x = 58,031.28 × 18,673.82
  4. Step 4: Simplify right side
    38,687.69x = 1,083,665,552.74
  5. Step 5: Solve for x
    x = 1,083,665,552.74/38,687.69
  6. Step 6: Final answer
    x = 28,010.60

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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.