Home / 25,216.21-34,821.99-15,801.17

Finding the Fourth Proportional to 25,216.21, 34,821.99 and 15,801.17

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Solution

The fourth proportional to 25,216.21, 34,821.99 and 15,801.17 is: 21,820.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.21 : 34,821.99 = 15,801.17 : x
  2. Step 2: Convert to fraction form
    25,216.21/34,821.99 = 15,801.17/x
  3. Step 3: Cross multiply
    25,216.21x = 34,821.99 × 15,801.17
  4. Step 4: Simplify right side
    25,216.21x = 550,228,104.72
  5. Step 5: Solve for x
    x = 550,228,104.72/25,216.21
  6. Step 6: Final answer
    x = 21,820.42

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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.