Home / 38,489.40-57,742.20-16,291.35

Finding the Fourth Proportional to 38,489.40, 57,742.20 and 16,291.35

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Solution

The fourth proportional to 38,489.40, 57,742.20 and 16,291.35 is: 24,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.40 : 57,742.20 = 16,291.35 : x
  2. Step 2: Convert to fraction form
    38,489.40/57,742.20 = 16,291.35/x
  3. Step 3: Cross multiply
    38,489.40x = 57,742.20 × 16,291.35
  4. Step 4: Simplify right side
    38,489.40x = 940,698,389.97
  5. Step 5: Solve for x
    x = 940,698,389.97/38,489.40
  6. Step 6: Final answer
    x = 24,440.45

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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.