Home / 25,112.42-34,656.70-16,599.78

Finding the Fourth Proportional to 25,112.42, 34,656.70 and 16,599.78

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Solution

The fourth proportional to 25,112.42, 34,656.70 and 16,599.78 is: 22,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.42 : 34,656.70 = 16,599.78 : x
  2. Step 2: Convert to fraction form
    25,112.42/34,656.70 = 16,599.78/x
  3. Step 3: Cross multiply
    25,112.42x = 34,656.70 × 16,599.78
  4. Step 4: Simplify right side
    25,112.42x = 575,293,680.57
  5. Step 5: Solve for x
    x = 575,293,680.57/25,112.42
  6. Step 6: Final answer
    x = 22,908.73

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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.