Home / 25,694.49-35,458.64-15,084.30

Finding the Fourth Proportional to 25,694.49, 35,458.64 and 15,084.30

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Solution

The fourth proportional to 25,694.49, 35,458.64 and 15,084.30 is: 20,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.49 : 35,458.64 = 15,084.30 : x
  2. Step 2: Convert to fraction form
    25,694.49/35,458.64 = 15,084.30/x
  3. Step 3: Cross multiply
    25,694.49x = 35,458.64 × 15,084.30
  4. Step 4: Simplify right side
    25,694.49x = 534,868,763.35
  5. Step 5: Solve for x
    x = 534,868,763.35/25,694.49
  6. Step 6: Final answer
    x = 20,816.48

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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.