Home / 18,821.44-28,232.16-10,029.70

Finding the Fourth Proportional to 18,821.44, 28,232.16 and 10,029.70

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Solution

The fourth proportional to 18,821.44, 28,232.16 and 10,029.70 is: 15,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.44 : 28,232.16 = 10,029.70 : x
  2. Step 2: Convert to fraction form
    18,821.44/28,232.16 = 10,029.70/x
  3. Step 3: Cross multiply
    18,821.44x = 28,232.16 × 10,029.70
  4. Step 4: Simplify right side
    18,821.44x = 283,160,095.15
  5. Step 5: Solve for x
    x = 283,160,095.15/18,821.44
  6. Step 6: Final answer
    x = 15,044.55

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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.