Home / 28,871.40-43,308.60-14,092.92

Finding the Fourth Proportional to 28,871.40, 43,308.60 and 14,092.92

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Solution

The fourth proportional to 28,871.40, 43,308.60 and 14,092.92 is: 21,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.40 : 43,308.60 = 14,092.92 : x
  2. Step 2: Convert to fraction form
    28,871.40/43,308.60 = 14,092.92/x
  3. Step 3: Cross multiply
    28,871.40x = 43,308.60 × 14,092.92
  4. Step 4: Simplify right side
    28,871.40x = 610,344,635.11
  5. Step 5: Solve for x
    x = 610,344,635.11/28,871.40
  6. Step 6: Final answer
    x = 21,140.11

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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.