Home / 28,508.85-42,728.24-16,002.65

Finding the Fourth Proportional to 28,508.85, 42,728.24 and 16,002.65

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Solution

The fourth proportional to 28,508.85, 42,728.24 and 16,002.65 is: 23,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508.85 : 42,728.24 = 16,002.65 : x
  2. Step 2: Convert to fraction form
    28,508.85/42,728.24 = 16,002.65/x
  3. Step 3: Cross multiply
    28,508.85x = 42,728.24 × 16,002.65
  4. Step 4: Simplify right side
    28,508.85x = 683,765,216.66
  5. Step 5: Solve for x
    x = 683,765,216.66/28,508.85
  6. Step 6: Final answer
    x = 23,984.31

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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.