Home / 27,886.56-38,481.12-15,946.08

Finding the Fourth Proportional to 27,886.56, 38,481.12 and 15,946.08

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Solution

The fourth proportional to 27,886.56, 38,481.12 and 15,946.08 is: 22,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.56 : 38,481.12 = 15,946.08 : x
  2. Step 2: Convert to fraction form
    27,886.56/38,481.12 = 15,946.08/x
  3. Step 3: Cross multiply
    27,886.56x = 38,481.12 × 15,946.08
  4. Step 4: Simplify right side
    27,886.56x = 613,623,018.01
  5. Step 5: Solve for x
    x = 613,623,018.01/27,886.56
  6. Step 6: Final answer
    x = 22,004.26

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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.