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Finding the Fourth Proportional to 27,616.17, 41,430.88 and 8,897.97

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Solution

The fourth proportional to 27,616.17, 41,430.88 and 8,897.97 is: 13,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.17 : 41,430.88 = 8,897.97 : x
  2. Step 2: Convert to fraction form
    27,616.17/41,430.88 = 8,897.97/x
  3. Step 3: Cross multiply
    27,616.17x = 41,430.88 × 8,897.97
  4. Step 4: Simplify right side
    27,616.17x = 368,650,808.65
  5. Step 5: Solve for x
    x = 368,650,808.65/27,616.17
  6. Step 6: Final answer
    x = 13,349.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.