Home / 38,465.80-57,704.64-16,279.30

Finding the Fourth Proportional to 38,465.80, 57,704.64 and 16,279.30

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Solution

The fourth proportional to 38,465.80, 57,704.64 and 16,279.30 is: 24,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465.80 : 57,704.64 = 16,279.30 : x
  2. Step 2: Convert to fraction form
    38,465.80/57,704.64 = 16,279.30/x
  3. Step 3: Cross multiply
    38,465.80x = 57,704.64 × 16,279.30
  4. Step 4: Simplify right side
    38,465.80x = 939,391,145.95
  5. Step 5: Solve for x
    x = 939,391,145.95/38,465.80
  6. Step 6: Final answer
    x = 24,421.46

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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.