Home / 52,710.26-72,740.12-28,836.95

Finding the Fourth Proportional to 52,710.26, 72,740.12 and 28,836.95

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Solution

The fourth proportional to 52,710.26, 72,740.12 and 28,836.95 is: 39,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.26 : 72,740.12 = 28,836.95 : x
  2. Step 2: Convert to fraction form
    52,710.26/72,740.12 = 28,836.95/x
  3. Step 3: Cross multiply
    52,710.26x = 72,740.12 × 28,836.95
  4. Step 4: Simplify right side
    52,710.26x = 2,097,602,695.55
  5. Step 5: Solve for x
    x = 2,097,602,695.55/52,710.26
  6. Step 6: Final answer
    x = 39,794.96

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1.5x scale

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.