Home / 52,764.60-72,815.13-28,891.26

Finding the Fourth Proportional to 52,764.60, 72,815.13 and 28,891.26

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Solution

The fourth proportional to 52,764.60, 72,815.13 and 28,891.26 is: 39,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,764.60 : 72,815.13 = 28,891.26 : x
  2. Step 2: Convert to fraction form
    52,764.60/72,815.13 = 28,891.26/x
  3. Step 3: Cross multiply
    52,764.60x = 72,815.13 × 28,891.26
  4. Step 4: Simplify right side
    52,764.60x = 2,103,720,852.76
  5. Step 5: Solve for x
    x = 2,103,720,852.76/52,764.60
  6. Step 6: Final answer
    x = 39,869.93

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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.