Home / 25,694.20-35,463.71-15,620.50

Finding the Fourth Proportional to 25,694.20, 35,463.71 and 15,620.50

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Solution

The fourth proportional to 25,694.20, 35,463.71 and 15,620.50 is: 21,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.20 : 35,463.71 = 15,620.50 : x
  2. Step 2: Convert to fraction form
    25,694.20/35,463.71 = 15,620.50/x
  3. Step 3: Cross multiply
    25,694.20x = 35,463.71 × 15,620.50
  4. Step 4: Simplify right side
    25,694.20x = 553,960,882.06
  5. Step 5: Solve for x
    x = 553,960,882.06/25,694.20
  6. Step 6: Final answer
    x = 21,559.76

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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.