Home / 25,853.86-38,813.61-21,982.87

Finding the Fourth Proportional to 25,853.86, 38,813.61 and 21,982.87

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Solution

The fourth proportional to 25,853.86, 38,813.61 and 21,982.87 is: 33,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.86 : 38,813.61 = 21,982.87 : x
  2. Step 2: Convert to fraction form
    25,853.86/38,813.61 = 21,982.87/x
  3. Step 3: Cross multiply
    25,853.86x = 38,813.61 × 21,982.87
  4. Step 4: Simplify right side
    25,853.86x = 853,234,432.95
  5. Step 5: Solve for x
    x = 853,234,432.95/25,853.86
  6. Step 6: Final answer
    x = 33,002.21

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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.