Home / 25,741.78-38,612.70-10,159

Finding the Fourth Proportional to 25,741.78, 38,612.70 and 10,159

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Solution

The fourth proportional to 25,741.78, 38,612.70 and 10,159 is: 15,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,741.78 : 38,612.70 = 10,159 : x
  2. Step 2: Convert to fraction form
    25,741.78/38,612.70 = 10,159/x
  3. Step 3: Cross multiply
    25,741.78x = 38,612.70 × 10,159
  4. Step 4: Simplify right side
    25,741.78x = 392,266,419.30
  5. Step 5: Solve for x
    x = 392,266,419.30/25,741.78
  6. Step 6: Final answer
    x = 15,238.51

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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.