Home / 27,454.74-37,890.55-15,359.61

Finding the Fourth Proportional to 27,454.74, 37,890.55 and 15,359.61

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Solution

The fourth proportional to 27,454.74, 37,890.55 and 15,359.61 is: 21,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,454.74 : 37,890.55 = 15,359.61 : x
  2. Step 2: Convert to fraction form
    27,454.74/37,890.55 = 15,359.61/x
  3. Step 3: Cross multiply
    27,454.74x = 37,890.55 × 15,359.61
  4. Step 4: Simplify right side
    27,454.74x = 581,984,070.69
  5. Step 5: Solve for x
    x = 581,984,070.69/27,454.74
  6. Step 6: Final answer
    x = 21,197.95

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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.