Home / 25,115.70-37,679.76-17,734.62

Finding the Fourth Proportional to 25,115.70, 37,679.76 and 17,734.62

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Solution

The fourth proportional to 25,115.70, 37,679.76 and 17,734.62 is: 26,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.70 : 37,679.76 = 17,734.62 : x
  2. Step 2: Convert to fraction form
    25,115.70/37,679.76 = 17,734.62/x
  3. Step 3: Cross multiply
    25,115.70x = 37,679.76 × 17,734.62
  4. Step 4: Simplify right side
    25,115.70x = 668,236,225.29
  5. Step 5: Solve for x
    x = 668,236,225.29/25,115.70
  6. Step 6: Final answer
    x = 26,606.31

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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.