Home / 27,927.90-38,531.97-18,365.04

Finding the Fourth Proportional to 27,927.90, 38,531.97 and 18,365.04

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Solution

The fourth proportional to 27,927.90, 38,531.97 and 18,365.04 is: 25,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.90 : 38,531.97 = 18,365.04 : x
  2. Step 2: Convert to fraction form
    27,927.90/38,531.97 = 18,365.04/x
  3. Step 3: Cross multiply
    27,927.90x = 38,531.97 × 18,365.04
  4. Step 4: Simplify right side
    27,927.90x = 707,641,170.33
  5. Step 5: Solve for x
    x = 707,641,170.33/27,927.90
  6. Step 6: Final answer
    x = 25,338.14

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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.