Home / 38,062.20-57,158.10-28,212.60

Finding the Fourth Proportional to 38,062.20, 57,158.10 and 28,212.60

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Solution

The fourth proportional to 38,062.20, 57,158.10 and 28,212.60 is: 42,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,062.20 : 57,158.10 = 28,212.60 : x
  2. Step 2: Convert to fraction form
    38,062.20/57,158.10 = 28,212.60/x
  3. Step 3: Cross multiply
    38,062.20x = 57,158.10 × 28,212.60
  4. Step 4: Simplify right side
    38,062.20x = 1,612,578,612.06
  5. Step 5: Solve for x
    x = 1,612,578,612.06/38,062.20
  6. Step 6: Final answer
    x = 42,366.93

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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.