Home / 27,873.05-38,463.46-15,937.70

Finding the Fourth Proportional to 27,873.05, 38,463.46 and 15,937.70

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Solution

The fourth proportional to 27,873.05, 38,463.46 and 15,937.70 is: 21,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.05 : 38,463.46 = 15,937.70 : x
  2. Step 2: Convert to fraction form
    27,873.05/38,463.46 = 15,937.70/x
  3. Step 3: Cross multiply
    27,873.05x = 38,463.46 × 15,937.70
  4. Step 4: Simplify right side
    27,873.05x = 613,018,854.28
  5. Step 5: Solve for x
    x = 613,018,854.28/27,873.05
  6. Step 6: Final answer
    x = 21,993.25

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Double scale
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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.