Home / 26,148.12-39,125.27-15,623.86

Finding the Fourth Proportional to 26,148.12, 39,125.27 and 15,623.86

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Solution

The fourth proportional to 26,148.12, 39,125.27 and 15,623.86 is: 23,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.12 : 39,125.27 = 15,623.86 : x
  2. Step 2: Convert to fraction form
    26,148.12/39,125.27 = 15,623.86/x
  3. Step 3: Cross multiply
    26,148.12x = 39,125.27 × 15,623.86
  4. Step 4: Simplify right side
    26,148.12x = 611,287,740.94
  5. Step 5: Solve for x
    x = 611,287,740.94/26,148.12
  6. Step 6: Final answer
    x = 23,377.88

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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.