Home / 27,867.57-38,470.47-17,663.70

Finding the Fourth Proportional to 27,867.57, 38,470.47 and 17,663.70

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Solution

The fourth proportional to 27,867.57, 38,470.47 and 17,663.70 is: 24,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867.57 : 38,470.47 = 17,663.70 : x
  2. Step 2: Convert to fraction form
    27,867.57/38,470.47 = 17,663.70/x
  3. Step 3: Cross multiply
    27,867.57x = 38,470.47 × 17,663.70
  4. Step 4: Simplify right side
    27,867.57x = 679,530,648.59
  5. Step 5: Solve for x
    x = 679,530,648.59/27,867.57
  6. Step 6: Final answer
    x = 24,384.29

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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.