Home / 27,824.54-38,397.87-15,887.66

Finding the Fourth Proportional to 27,824.54, 38,397.87 and 15,887.66

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Solution

The fourth proportional to 27,824.54, 38,397.87 and 15,887.66 is: 21,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.54 : 38,397.87 = 15,887.66 : x
  2. Step 2: Convert to fraction form
    27,824.54/38,397.87 = 15,887.66/x
  3. Step 3: Cross multiply
    27,824.54x = 38,397.87 × 15,887.66
  4. Step 4: Simplify right side
    27,824.54x = 610,052,111.29
  5. Step 5: Solve for x
    x = 610,052,111.29/27,824.54
  6. Step 6: Final answer
    x = 21,924.97

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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.