Home / 27,859.26-38,445.66-15,283.74

Finding the Fourth Proportional to 27,859.26, 38,445.66 and 15,283.74

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Solution

The fourth proportional to 27,859.26, 38,445.66 and 15,283.74 is: 21,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.26 : 38,445.66 = 15,283.74 : x
  2. Step 2: Convert to fraction form
    27,859.26/38,445.66 = 15,283.74/x
  3. Step 3: Cross multiply
    27,859.26x = 38,445.66 × 15,283.74
  4. Step 4: Simplify right side
    27,859.26x = 587,593,471.57
  5. Step 5: Solve for x
    x = 587,593,471.57/27,859.26
  6. Step 6: Final answer
    x = 21,091.50

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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.