Home / 25,694.45-35,464.05-15,620.75

Finding the Fourth Proportional to 25,694.45, 35,464.05 and 15,620.75

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Solution

The fourth proportional to 25,694.45, 35,464.05 and 15,620.75 is: 21,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.45 : 35,464.05 = 15,620.75 : x
  2. Step 2: Convert to fraction form
    25,694.45/35,464.05 = 15,620.75/x
  3. Step 3: Cross multiply
    25,694.45x = 35,464.05 × 15,620.75
  4. Step 4: Simplify right side
    25,694.45x = 553,975,059.04
  5. Step 5: Solve for x
    x = 553,975,059.04/25,694.45
  6. Step 6: Final answer
    x = 21,560.11

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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.