Home / 25,531.02-38,257.56-10,731.90

Finding the Fourth Proportional to 25,531.02, 38,257.56 and 10,731.90

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Solution

The fourth proportional to 25,531.02, 38,257.56 and 10,731.90 is: 16,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.02 : 38,257.56 = 10,731.90 : x
  2. Step 2: Convert to fraction form
    25,531.02/38,257.56 = 10,731.90/x
  3. Step 3: Cross multiply
    25,531.02x = 38,257.56 × 10,731.90
  4. Step 4: Simplify right side
    25,531.02x = 410,576,308.16
  5. Step 5: Solve for x
    x = 410,576,308.16/25,531.02
  6. Step 6: Final answer
    x = 16,081.47

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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.