Home / 38,286.40-57,406.08-14,885.56

Finding the Fourth Proportional to 38,286.40, 57,406.08 and 14,885.56

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Solution

The fourth proportional to 38,286.40, 57,406.08 and 14,885.56 is: 22,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.40 : 57,406.08 = 14,885.56 : x
  2. Step 2: Convert to fraction form
    38,286.40/57,406.08 = 14,885.56/x
  3. Step 3: Cross multiply
    38,286.40x = 57,406.08 × 14,885.56
  4. Step 4: Simplify right side
    38,286.40x = 854,521,648.20
  5. Step 5: Solve for x
    x = 854,521,648.20/38,286.40
  6. Step 6: Final answer
    x = 22,319.20

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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.