Home / 27,945.18-38,564.01-15,369.66

Finding the Fourth Proportional to 27,945.18, 38,564.01 and 15,369.66

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Solution

The fourth proportional to 27,945.18, 38,564.01 and 15,369.66 is: 21,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.18 : 38,564.01 = 15,369.66 : x
  2. Step 2: Convert to fraction form
    27,945.18/38,564.01 = 15,369.66/x
  3. Step 3: Cross multiply
    27,945.18x = 38,564.01 × 15,369.66
  4. Step 4: Simplify right side
    27,945.18x = 592,715,721.94
  5. Step 5: Solve for x
    x = 592,715,721.94/27,945.18
  6. Step 6: Final answer
    x = 21,209.94

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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.