Home / 27,888.17-38,484.33-15,141.08

Finding the Fourth Proportional to 27,888.17, 38,484.33 and 15,141.08

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Solution

The fourth proportional to 27,888.17, 38,484.33 and 15,141.08 is: 20,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.17 : 38,484.33 = 15,141.08 : x
  2. Step 2: Convert to fraction form
    27,888.17/38,484.33 = 15,141.08/x
  3. Step 3: Cross multiply
    27,888.17x = 38,484.33 × 15,141.08
  4. Step 4: Simplify right side
    27,888.17x = 582,694,319.28
  5. Step 5: Solve for x
    x = 582,694,319.28/27,888.17
  6. Step 6: Final answer
    x = 20,893.96

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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.