Home / 27,948.26-38,568.86-15,201.57

Finding the Fourth Proportional to 27,948.26, 38,568.86 and 15,201.57

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Solution

The fourth proportional to 27,948.26, 38,568.86 and 15,201.57 is: 20,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.26 : 38,568.86 = 15,201.57 : x
  2. Step 2: Convert to fraction form
    27,948.26/38,568.86 = 15,201.57/x
  3. Step 3: Cross multiply
    27,948.26x = 38,568.86 × 15,201.57
  4. Step 4: Simplify right side
    27,948.26x = 586,307,149.10
  5. Step 5: Solve for x
    x = 586,307,149.10/27,948.26
  6. Step 6: Final answer
    x = 20,978.31

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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.