Home / 25,250.74-34,846.25-13,920.64

Finding the Fourth Proportional to 25,250.74, 34,846.25 and 13,920.64

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Solution

The fourth proportional to 25,250.74, 34,846.25 and 13,920.64 is: 19,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.74 : 34,846.25 = 13,920.64 : x
  2. Step 2: Convert to fraction form
    25,250.74/34,846.25 = 13,920.64/x
  3. Step 3: Cross multiply
    25,250.74x = 34,846.25 × 13,920.64
  4. Step 4: Simplify right side
    25,250.74x = 485,082,035.44
  5. Step 5: Solve for x
    x = 485,082,035.44/25,250.74
  6. Step 6: Final answer
    x = 19,210.61

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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.