Home / 28,871.31-39,811.17-25,061.83

Finding the Fourth Proportional to 28,871.31, 39,811.17 and 25,061.83

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Solution

The fourth proportional to 28,871.31, 39,811.17 and 25,061.83 is: 34,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.31 : 39,811.17 = 25,061.83 : x
  2. Step 2: Convert to fraction form
    28,871.31/39,811.17 = 25,061.83/x
  3. Step 3: Cross multiply
    28,871.31x = 39,811.17 × 25,061.83
  4. Step 4: Simplify right side
    28,871.31x = 997,740,774.64
  5. Step 5: Solve for x
    x = 997,740,774.64/28,871.31
  6. Step 6: Final answer
    x = 34,558.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.