Home / 38,622.56-57,934.86-12,327.28

Finding the Fourth Proportional to 38,622.56, 57,934.86 and 12,327.28

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Solution

The fourth proportional to 38,622.56, 57,934.86 and 12,327.28 is: 18,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.56 : 57,934.86 = 12,327.28 : x
  2. Step 2: Convert to fraction form
    38,622.56/57,934.86 = 12,327.28/x
  3. Step 3: Cross multiply
    38,622.56x = 57,934.86 × 12,327.28
  4. Step 4: Simplify right side
    38,622.56x = 714,179,240.98
  5. Step 5: Solve for x
    x = 714,179,240.98/38,622.56
  6. Step 6: Final answer
    x = 18,491.25

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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.