Home / 28,868.31-39,833.98-17,531.89

Finding the Fourth Proportional to 28,868.31, 39,833.98 and 17,531.89

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Solution

The fourth proportional to 28,868.31, 39,833.98 and 17,531.89 is: 24,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.31 : 39,833.98 = 17,531.89 : x
  2. Step 2: Convert to fraction form
    28,868.31/39,833.98 = 17,531.89/x
  3. Step 3: Cross multiply
    28,868.31x = 39,833.98 × 17,531.89
  4. Step 4: Simplify right side
    28,868.31x = 698,364,955.62
  5. Step 5: Solve for x
    x = 698,364,955.62/28,868.31
  6. Step 6: Final answer
    x = 24,191.40

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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.