Home / 38,162.75-57,271.46-28,272.24

Finding the Fourth Proportional to 38,162.75, 57,271.46 and 28,272.24

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Solution

The fourth proportional to 38,162.75, 57,271.46 and 28,272.24 is: 42,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.75 : 57,271.46 = 28,272.24 : x
  2. Step 2: Convert to fraction form
    38,162.75/57,271.46 = 28,272.24/x
  3. Step 3: Cross multiply
    38,162.75x = 57,271.46 × 28,272.24
  4. Step 4: Simplify right side
    38,162.75x = 1,619,192,320.91
  5. Step 5: Solve for x
    x = 1,619,192,320.91/38,162.75
  6. Step 6: Final answer
    x = 42,428.61

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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.