Home / 25,019.49-34,531.53-16,078.17

Finding the Fourth Proportional to 25,019.49, 34,531.53 and 16,078.17

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Solution

The fourth proportional to 25,019.49, 34,531.53 and 16,078.17 is: 22,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,019.49 : 34,531.53 = 16,078.17 : x
  2. Step 2: Convert to fraction form
    25,019.49/34,531.53 = 16,078.17/x
  3. Step 3: Cross multiply
    25,019.49x = 34,531.53 × 16,078.17
  4. Step 4: Simplify right side
    25,019.49x = 555,203,809.70
  5. Step 5: Solve for x
    x = 555,203,809.70/25,019.49
  6. Step 6: Final answer
    x = 22,190.85

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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.