Home / 28,046.22-38,703.78-15,470.97

Finding the Fourth Proportional to 28,046.22, 38,703.78 and 15,470.97

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Solution

The fourth proportional to 28,046.22, 38,703.78 and 15,470.97 is: 21,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.22 : 38,703.78 = 15,470.97 : x
  2. Step 2: Convert to fraction form
    28,046.22/38,703.78 = 15,470.97/x
  3. Step 3: Cross multiply
    28,046.22x = 38,703.78 × 15,470.97
  4. Step 4: Simplify right side
    28,046.22x = 598,785,019.27
  5. Step 5: Solve for x
    x = 598,785,019.27/28,046.22
  6. Step 6: Final answer
    x = 21,349.94

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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.