Home / 27,261.30-40,841.55-15,539.70

Finding the Fourth Proportional to 27,261.30, 40,841.55 and 15,539.70

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Solution

The fourth proportional to 27,261.30, 40,841.55 and 15,539.70 is: 23,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.30 : 40,841.55 = 15,539.70 : x
  2. Step 2: Convert to fraction form
    27,261.30/40,841.55 = 15,539.70/x
  3. Step 3: Cross multiply
    27,261.30x = 40,841.55 × 15,539.70
  4. Step 4: Simplify right side
    27,261.30x = 634,665,434.54
  5. Step 5: Solve for x
    x = 634,665,434.54/27,261.30
  6. Step 6: Final answer
    x = 23,280.82

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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.