Home / 25,131.57-34,693.37-14,519.15

Finding the Fourth Proportional to 25,131.57, 34,693.37 and 14,519.15

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Solution

The fourth proportional to 25,131.57, 34,693.37 and 14,519.15 is: 20,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.57 : 34,693.37 = 14,519.15 : x
  2. Step 2: Convert to fraction form
    25,131.57/34,693.37 = 14,519.15/x
  3. Step 3: Cross multiply
    25,131.57x = 34,693.37 × 14,519.15
  4. Step 4: Simplify right side
    25,131.57x = 503,718,181.52
  5. Step 5: Solve for x
    x = 503,718,181.52/25,131.57
  6. Step 6: Final answer
    x = 20,043.25

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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.