Home / 27,544.38-38,009.79-15,607.86

Finding the Fourth Proportional to 27,544.38, 38,009.79 and 15,607.86

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Solution

The fourth proportional to 27,544.38, 38,009.79 and 15,607.86 is: 21,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,544.38 : 38,009.79 = 15,607.86 : x
  2. Step 2: Convert to fraction form
    27,544.38/38,009.79 = 15,607.86/x
  3. Step 3: Cross multiply
    27,544.38x = 38,009.79 × 15,607.86
  4. Step 4: Simplify right side
    27,544.38x = 593,251,480.95
  5. Step 5: Solve for x
    x = 593,251,480.95/27,544.38
  6. Step 6: Final answer
    x = 21,538.02

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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.