Home / 38,421.90-57,638.79-16,233.30

Finding the Fourth Proportional to 38,421.90, 57,638.79 and 16,233.30

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Solution

The fourth proportional to 38,421.90, 57,638.79 and 16,233.30 is: 24,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.90 : 57,638.79 = 16,233.30 : x
  2. Step 2: Convert to fraction form
    38,421.90/57,638.79 = 16,233.30/x
  3. Step 3: Cross multiply
    38,421.90x = 57,638.79 × 16,233.30
  4. Step 4: Simplify right side
    38,421.90x = 935,667,769.71
  5. Step 5: Solve for x
    x = 935,667,769.71/38,421.90
  6. Step 6: Final answer
    x = 24,352.46

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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.