Home / 52,008.72-71,771.95-28,135.38

Finding the Fourth Proportional to 52,008.72, 71,771.95 and 28,135.38

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Solution

The fourth proportional to 52,008.72, 71,771.95 and 28,135.38 is: 38,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,008.72 : 71,771.95 = 28,135.38 : x
  2. Step 2: Convert to fraction form
    52,008.72/71,771.95 = 28,135.38/x
  3. Step 3: Cross multiply
    52,008.72x = 71,771.95 × 28,135.38
  4. Step 4: Simplify right side
    52,008.72x = 2,019,331,086.59
  5. Step 5: Solve for x
    x = 2,019,331,086.59/52,008.72
  6. Step 6: Final answer
    x = 38,826.78

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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.