Home / 25,731.08-38,576.45-10,160.36

Finding the Fourth Proportional to 25,731.08, 38,576.45 and 10,160.36

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Solution

The fourth proportional to 25,731.08, 38,576.45 and 10,160.36 is: 15,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.08 : 38,576.45 = 10,160.36 : x
  2. Step 2: Convert to fraction form
    25,731.08/38,576.45 = 10,160.36/x
  3. Step 3: Cross multiply
    25,731.08x = 38,576.45 × 10,160.36
  4. Step 4: Simplify right side
    25,731.08x = 391,950,426.64
  5. Step 5: Solve for x
    x = 391,950,426.64/25,731.08
  6. Step 6: Final answer
    x = 15,232.57

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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.