Home / 52,087.04-71,879.68-28,213.66

Finding the Fourth Proportional to 52,087.04, 71,879.68 and 28,213.66

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Solution

The fourth proportional to 52,087.04, 71,879.68 and 28,213.66 is: 38,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,087.04 : 71,879.68 = 28,213.66 : x
  2. Step 2: Convert to fraction form
    52,087.04/71,879.68 = 28,213.66/x
  3. Step 3: Cross multiply
    52,087.04x = 71,879.68 × 28,213.66
  4. Step 4: Simplify right side
    52,087.04x = 2,027,988,602.20
  5. Step 5: Solve for x
    x = 2,027,988,602.20/52,087.04
  6. Step 6: Final answer
    x = 38,934.61

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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.