Home / 52,633.60-72,634.26-28,760.44

Finding the Fourth Proportional to 52,633.60, 72,634.26 and 28,760.44

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Solution

The fourth proportional to 52,633.60, 72,634.26 and 28,760.44 is: 39,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,633.60 : 72,634.26 = 28,760.44 : x
  2. Step 2: Convert to fraction form
    52,633.60/72,634.26 = 28,760.44/x
  3. Step 3: Cross multiply
    52,633.60x = 72,634.26 × 28,760.44
  4. Step 4: Simplify right side
    52,633.60x = 2,088,993,276.67
  5. Step 5: Solve for x
    x = 2,088,993,276.67/52,633.60
  6. Step 6: Final answer
    x = 39,689.35

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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.