Home / 52,712.26-72,742.87-28,838.95

Finding the Fourth Proportional to 52,712.26, 72,742.87 and 28,838.95

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Solution

The fourth proportional to 52,712.26, 72,742.87 and 28,838.95 is: 39,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.26 : 72,742.87 = 28,838.95 : x
  2. Step 2: Convert to fraction form
    52,712.26/72,742.87 = 28,838.95/x
  3. Step 3: Cross multiply
    52,712.26x = 72,742.87 × 28,838.95
  4. Step 4: Simplify right side
    52,712.26x = 2,097,827,990.79
  5. Step 5: Solve for x
    x = 2,097,827,990.79/52,712.26
  6. Step 6: Final answer
    x = 39,797.72

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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.