Home / 38,231.20-57,368.40-14,854.60

Finding the Fourth Proportional to 38,231.20, 57,368.40 and 14,854.60

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Solution

The fourth proportional to 38,231.20, 57,368.40 and 14,854.60 is: 22,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.20 : 57,368.40 = 14,854.60 : x
  2. Step 2: Convert to fraction form
    38,231.20/57,368.40 = 14,854.60/x
  3. Step 3: Cross multiply
    38,231.20x = 57,368.40 × 14,854.60
  4. Step 4: Simplify right side
    38,231.20x = 852,184,634.64
  5. Step 5: Solve for x
    x = 852,184,634.64/38,231.20
  6. Step 6: Final answer
    x = 22,290.29

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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.