Home / 38,469.80-57,726.30-16,279.40

Finding the Fourth Proportional to 38,469.80, 57,726.30 and 16,279.40

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Solution

The fourth proportional to 38,469.80, 57,726.30 and 16,279.40 is: 24,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.80 : 57,726.30 = 16,279.40 : x
  2. Step 2: Convert to fraction form
    38,469.80/57,726.30 = 16,279.40/x
  3. Step 3: Cross multiply
    38,469.80x = 57,726.30 × 16,279.40
  4. Step 4: Simplify right side
    38,469.80x = 939,749,528.22
  5. Step 5: Solve for x
    x = 939,749,528.22/38,469.80
  6. Step 6: Final answer
    x = 24,428.24

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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.