Home / 25,505.52-38,208.78-20,250.24

Finding the Fourth Proportional to 25,505.52, 38,208.78 and 20,250.24

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Solution

The fourth proportional to 25,505.52, 38,208.78 and 20,250.24 is: 30,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.52 : 38,208.78 = 20,250.24 : x
  2. Step 2: Convert to fraction form
    25,505.52/38,208.78 = 20,250.24/x
  3. Step 3: Cross multiply
    25,505.52x = 38,208.78 × 20,250.24
  4. Step 4: Simplify right side
    25,505.52x = 773,736,965.11
  5. Step 5: Solve for x
    x = 773,736,965.11/25,505.52
  6. Step 6: Final answer
    x = 30,336.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.