Home / 52,383.92-72,288.80-28,511.12

Finding the Fourth Proportional to 52,383.92, 72,288.80 and 28,511.12

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Solution

The fourth proportional to 52,383.92, 72,288.80 and 28,511.12 is: 39,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,383.92 : 72,288.80 = 28,511.12 : x
  2. Step 2: Convert to fraction form
    52,383.92/72,288.80 = 28,511.12/x
  3. Step 3: Cross multiply
    52,383.92x = 72,288.80 × 28,511.12
  4. Step 4: Simplify right side
    52,383.92x = 2,061,034,651.46
  5. Step 5: Solve for x
    x = 2,061,034,651.46/52,383.92
  6. Step 6: Final answer
    x = 39,344.80

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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.