Home / 27,863.06-38,418.10-22,808.66

Finding the Fourth Proportional to 27,863.06, 38,418.10 and 22,808.66

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Solution

The fourth proportional to 27,863.06, 38,418.10 and 22,808.66 is: 31,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.06 : 38,418.10 = 22,808.66 : x
  2. Step 2: Convert to fraction form
    27,863.06/38,418.10 = 22,808.66/x
  3. Step 3: Cross multiply
    27,863.06x = 38,418.10 × 22,808.66
  4. Step 4: Simplify right side
    27,863.06x = 876,265,131.63
  5. Step 5: Solve for x
    x = 876,265,131.63/27,863.06
  6. Step 6: Final answer
    x = 31,449.00

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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.