Home / 25,696.50-35,461.40-15,086.30

Finding the Fourth Proportional to 25,696.50, 35,461.40 and 15,086.30

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Solution

The fourth proportional to 25,696.50, 35,461.40 and 15,086.30 is: 20,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.50 : 35,461.40 = 15,086.30 : x
  2. Step 2: Convert to fraction form
    25,696.50/35,461.40 = 15,086.30/x
  3. Step 3: Cross multiply
    25,696.50x = 35,461.40 × 15,086.30
  4. Step 4: Simplify right side
    25,696.50x = 534,981,318.82
  5. Step 5: Solve for x
    x = 534,981,318.82/25,696.50
  6. Step 6: Final answer
    x = 20,819.23

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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.