Home / 28,704.88-42,995.00-13,882.69

Finding the Fourth Proportional to 28,704.88, 42,995.00 and 13,882.69

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Solution

The fourth proportional to 28,704.88, 42,995.00 and 13,882.69 is: 20,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.88 : 42,995.00 = 13,882.69 : x
  2. Step 2: Convert to fraction form
    28,704.88/42,995.00 = 13,882.69/x
  3. Step 3: Cross multiply
    28,704.88x = 42,995.00 × 13,882.69
  4. Step 4: Simplify right side
    28,704.88x = 596,886,345.00
  5. Step 5: Solve for x
    x = 596,886,345.00/28,704.88
  6. Step 6: Final answer
    x = 20,793.90

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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.