Home / 25,250.88-34,846.20-13,920.55

Finding the Fourth Proportional to 25,250.88, 34,846.20 and 13,920.55

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Solution

The fourth proportional to 25,250.88, 34,846.20 and 13,920.55 is: 19,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.88 : 34,846.20 = 13,920.55 : x
  2. Step 2: Convert to fraction form
    25,250.88/34,846.20 = 13,920.55/x
  3. Step 3: Cross multiply
    25,250.88x = 34,846.20 × 13,920.55
  4. Step 4: Simplify right side
    25,250.88x = 485,078,269.41
  5. Step 5: Solve for x
    x = 485,078,269.41/25,250.88
  6. Step 6: Final answer
    x = 19,210.35

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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.