Home / 27,994.48-38,632.38-15,419.23

Finding the Fourth Proportional to 27,994.48, 38,632.38 and 15,419.23

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Solution

The fourth proportional to 27,994.48, 38,632.38 and 15,419.23 is: 21,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.48 : 38,632.38 = 15,419.23 : x
  2. Step 2: Convert to fraction form
    27,994.48/38,632.38 = 15,419.23/x
  3. Step 3: Cross multiply
    27,994.48x = 38,632.38 × 15,419.23
  4. Step 4: Simplify right side
    27,994.48x = 595,681,456.09
  5. Step 5: Solve for x
    x = 595,681,456.09/27,994.48
  6. Step 6: Final answer
    x = 21,278.53

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Half scale
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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.