Home / 25,444.97-35,113.22-15,371.66

Finding the Fourth Proportional to 25,444.97, 35,113.22 and 15,371.66

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Solution

The fourth proportional to 25,444.97, 35,113.22 and 15,371.66 is: 21,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,444.97 : 35,113.22 = 15,371.66 : x
  2. Step 2: Convert to fraction form
    25,444.97/35,113.22 = 15,371.66/x
  3. Step 3: Cross multiply
    25,444.97x = 35,113.22 × 15,371.66
  4. Step 4: Simplify right side
    25,444.97x = 539,748,479.35
  5. Step 5: Solve for x
    x = 539,748,479.35/25,444.97
  6. Step 6: Final answer
    x = 21,212.38

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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.