Home / 27,862.07-38,452.28-15,923.07

Finding the Fourth Proportional to 27,862.07, 38,452.28 and 15,923.07

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Solution

The fourth proportional to 27,862.07, 38,452.28 and 15,923.07 is: 21,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,862.07 : 38,452.28 = 15,923.07 : x
  2. Step 2: Convert to fraction form
    27,862.07/38,452.28 = 15,923.07/x
  3. Step 3: Cross multiply
    27,862.07x = 38,452.28 × 15,923.07
  4. Step 4: Simplify right side
    27,862.07x = 612,278,266.48
  5. Step 5: Solve for x
    x = 612,278,266.48/27,862.07
  6. Step 6: Final answer
    x = 21,975.34

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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.