Home / 38,620.96-57,873.12-28,713.76

Finding the Fourth Proportional to 38,620.96, 57,873.12 and 28,713.76

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Solution

The fourth proportional to 38,620.96, 57,873.12 and 28,713.76 is: 43,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.96 : 57,873.12 = 28,713.76 : x
  2. Step 2: Convert to fraction form
    38,620.96/57,873.12 = 28,713.76/x
  3. Step 3: Cross multiply
    38,620.96x = 57,873.12 × 28,713.76
  4. Step 4: Simplify right side
    38,620.96x = 1,661,754,878.13
  5. Step 5: Solve for x
    x = 1,661,754,878.13/38,620.96
  6. Step 6: Final answer
    x = 43,027.28

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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.