Home / 28,119.12-38,794.56-18,046.80

Finding the Fourth Proportional to 28,119.12, 38,794.56 and 18,046.80

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Solution

The fourth proportional to 28,119.12, 38,794.56 and 18,046.80 is: 24,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.12 : 38,794.56 = 18,046.80 : x
  2. Step 2: Convert to fraction form
    28,119.12/38,794.56 = 18,046.80/x
  3. Step 3: Cross multiply
    28,119.12x = 38,794.56 × 18,046.80
  4. Step 4: Simplify right side
    28,119.12x = 700,117,665.41
  5. Step 5: Solve for x
    x = 700,117,665.41/28,119.12
  6. Step 6: Final answer
    x = 24,898.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.