Home / 27,451.52-37,885.04-15,515.96

Finding the Fourth Proportional to 27,451.52, 37,885.04 and 15,515.96

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Solution

The fourth proportional to 27,451.52, 37,885.04 and 15,515.96 is: 21,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.52 : 37,885.04 = 15,515.96 : x
  2. Step 2: Convert to fraction form
    27,451.52/37,885.04 = 15,515.96/x
  3. Step 3: Cross multiply
    27,451.52x = 37,885.04 × 15,515.96
  4. Step 4: Simplify right side
    27,451.52x = 587,822,765.24
  5. Step 5: Solve for x
    x = 587,822,765.24/27,451.52
  6. Step 6: Final answer
    x = 21,413.12

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1.5x scale

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.