Home / 38,865.12-58,247.04-28,227.12

Finding the Fourth Proportional to 38,865.12, 58,247.04 and 28,227.12

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Solution

The fourth proportional to 38,865.12, 58,247.04 and 28,227.12 is: 42,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,865.12 : 58,247.04 = 28,227.12 : x
  2. Step 2: Convert to fraction form
    38,865.12/58,247.04 = 28,227.12/x
  3. Step 3: Cross multiply
    38,865.12x = 58,247.04 × 28,227.12
  4. Step 4: Simplify right side
    38,865.12x = 1,644,146,187.72
  5. Step 5: Solve for x
    x = 1,644,146,187.72/38,865.12
  6. Step 6: Final answer
    x = 42,303.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.