Home / 20,853.32-31,250.86-14,982.44

Finding the Fourth Proportional to 20,853.32, 31,250.86 and 14,982.44

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Solution

The fourth proportional to 20,853.32, 31,250.86 and 14,982.44 is: 22,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,853.32 : 31,250.86 = 14,982.44 : x
  2. Step 2: Convert to fraction form
    20,853.32/31,250.86 = 14,982.44/x
  3. Step 3: Cross multiply
    20,853.32x = 31,250.86 × 14,982.44
  4. Step 4: Simplify right side
    20,853.32x = 468,214,134.90
  5. Step 5: Solve for x
    x = 468,214,134.90/20,853.32
  6. Step 6: Final answer
    x = 22,452.74

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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.