Home / 27,689.88-38,211.30-25,460.76

Finding the Fourth Proportional to 27,689.88, 38,211.30 and 25,460.76

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Solution

The fourth proportional to 27,689.88, 38,211.30 and 25,460.76 is: 35,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,689.88 : 38,211.30 = 25,460.76 : x
  2. Step 2: Convert to fraction form
    27,689.88/38,211.30 = 25,460.76/x
  3. Step 3: Cross multiply
    27,689.88x = 38,211.30 × 25,460.76
  4. Step 4: Simplify right side
    27,689.88x = 972,888,738.59
  5. Step 5: Solve for x
    x = 972,888,738.59/27,689.88
  6. Step 6: Final answer
    x = 35,135.17

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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.