Home / 25,651.59-35,366.28-21,035.34

Finding the Fourth Proportional to 25,651.59, 35,366.28 and 21,035.34

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Solution

The fourth proportional to 25,651.59, 35,366.28 and 21,035.34 is: 29,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.59 : 35,366.28 = 21,035.34 : x
  2. Step 2: Convert to fraction form
    25,651.59/35,366.28 = 21,035.34/x
  3. Step 3: Cross multiply
    25,651.59x = 35,366.28 × 21,035.34
  4. Step 4: Simplify right side
    25,651.59x = 743,941,724.34
  5. Step 5: Solve for x
    x = 743,941,724.34/25,651.59
  6. Step 6: Final answer
    x = 29,001.78

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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.