Home / 52,671.24-72,687.36-28,799.40

Finding the Fourth Proportional to 52,671.24, 72,687.36 and 28,799.40

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Solution

The fourth proportional to 52,671.24, 72,687.36 and 28,799.40 is: 39,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671.24 : 72,687.36 = 28,799.40 : x
  2. Step 2: Convert to fraction form
    52,671.24/72,687.36 = 28,799.40/x
  3. Step 3: Cross multiply
    52,671.24x = 72,687.36 × 28,799.40
  4. Step 4: Simplify right side
    52,671.24x = 2,093,352,355.58
  5. Step 5: Solve for x
    x = 2,093,352,355.58/52,671.24
  6. Step 6: Final answer
    x = 39,743.75

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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.