Home / 23,939.85-35,876.17-18,920.16

Finding the Fourth Proportional to 23,939.85, 35,876.17 and 18,920.16

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Solution

The fourth proportional to 23,939.85, 35,876.17 and 18,920.16 is: 28,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,939.85 : 35,876.17 = 18,920.16 : x
  2. Step 2: Convert to fraction form
    23,939.85/35,876.17 = 18,920.16/x
  3. Step 3: Cross multiply
    23,939.85x = 35,876.17 × 18,920.16
  4. Step 4: Simplify right side
    23,939.85x = 678,782,876.59
  5. Step 5: Solve for x
    x = 678,782,876.59/23,939.85
  6. Step 6: Final answer
    x = 28,353.68

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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.