Home / 25,087.66-34,621.39-13,758.26

Finding the Fourth Proportional to 25,087.66, 34,621.39 and 13,758.26

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Solution

The fourth proportional to 25,087.66, 34,621.39 and 13,758.26 is: 18,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,087.66 : 34,621.39 = 13,758.26 : x
  2. Step 2: Convert to fraction form
    25,087.66/34,621.39 = 13,758.26/x
  3. Step 3: Cross multiply
    25,087.66x = 34,621.39 × 13,758.26
  4. Step 4: Simplify right side
    25,087.66x = 476,329,929.27
  5. Step 5: Solve for x
    x = 476,329,929.27/25,087.66
  6. Step 6: Final answer
    x = 18,986.62

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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.