Home / 38,570.28-57,854.34-12,276.60

Finding the Fourth Proportional to 38,570.28, 57,854.34 and 12,276.60

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Solution

The fourth proportional to 38,570.28, 57,854.34 and 12,276.60 is: 18,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.28 : 57,854.34 = 12,276.60 : x
  2. Step 2: Convert to fraction form
    38,570.28/57,854.34 = 12,276.60/x
  3. Step 3: Cross multiply
    38,570.28x = 57,854.34 × 12,276.60
  4. Step 4: Simplify right side
    38,570.28x = 710,254,590.44
  5. Step 5: Solve for x
    x = 710,254,590.44/38,570.28
  6. Step 6: Final answer
    x = 18,414.56

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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.