Home / 27,310.16-40,948.84-9,781.36

Finding the Fourth Proportional to 27,310.16, 40,948.84 and 9,781.36

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Solution

The fourth proportional to 27,310.16, 40,948.84 and 9,781.36 is: 14,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.16 : 40,948.84 = 9,781.36 : x
  2. Step 2: Convert to fraction form
    27,310.16/40,948.84 = 9,781.36/x
  3. Step 3: Cross multiply
    27,310.16x = 40,948.84 × 9,781.36
  4. Step 4: Simplify right side
    27,310.16x = 400,535,255.48
  5. Step 5: Solve for x
    x = 400,535,255.48/27,310.16
  6. Step 6: Final answer
    x = 14,666.16

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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.