Home / 25,269.40-37,904.10-15,427.90

Finding the Fourth Proportional to 25,269.40, 37,904.10 and 15,427.90

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Solution

The fourth proportional to 25,269.40, 37,904.10 and 15,427.90 is: 23,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.40 : 37,904.10 = 15,427.90 : x
  2. Step 2: Convert to fraction form
    25,269.40/37,904.10 = 15,427.90/x
  3. Step 3: Cross multiply
    25,269.40x = 37,904.10 × 15,427.90
  4. Step 4: Simplify right side
    25,269.40x = 584,780,664.39
  5. Step 5: Solve for x
    x = 584,780,664.39/25,269.40
  6. Step 6: Final answer
    x = 23,141.85

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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.