Home / 52,279.60-72,145.92-28,406.56

Finding the Fourth Proportional to 52,279.60, 72,145.92 and 28,406.56

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Solution

The fourth proportional to 52,279.60, 72,145.92 and 28,406.56 is: 39,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.60 : 72,145.92 = 28,406.56 : x
  2. Step 2: Convert to fraction form
    52,279.60/72,145.92 = 28,406.56/x
  3. Step 3: Cross multiply
    52,279.60x = 72,145.92 × 28,406.56
  4. Step 4: Simplify right side
    52,279.60x = 2,049,417,405.24
  5. Step 5: Solve for x
    x = 2,049,417,405.24/52,279.60
  6. Step 6: Final answer
    x = 39,201.09

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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.