Home / 27,848.27-38,430.11-15,748.56

Finding the Fourth Proportional to 27,848.27, 38,430.11 and 15,748.56

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Solution

The fourth proportional to 27,848.27, 38,430.11 and 15,748.56 is: 21,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.27 : 38,430.11 = 15,748.56 : x
  2. Step 2: Convert to fraction form
    27,848.27/38,430.11 = 15,748.56/x
  3. Step 3: Cross multiply
    27,848.27x = 38,430.11 × 15,748.56
  4. Step 4: Simplify right side
    27,848.27x = 605,218,893.14
  5. Step 5: Solve for x
    x = 605,218,893.14/27,848.27
  6. Step 6: Final answer
    x = 21,732.73

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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.