Home / 25,554.20-38,331.30-7,086.20

Finding the Fourth Proportional to 25,554.20, 38,331.30 and 7,086.20

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Solution

The fourth proportional to 25,554.20, 38,331.30 and 7,086.20 is: 10,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.20 : 38,331.30 = 7,086.20 : x
  2. Step 2: Convert to fraction form
    25,554.20/38,331.30 = 7,086.20/x
  3. Step 3: Cross multiply
    25,554.20x = 38,331.30 × 7,086.20
  4. Step 4: Simplify right side
    25,554.20x = 271,623,066.40
  5. Step 5: Solve for x
    x = 271,623,066.40/25,554.20
  6. Step 6: Final answer
    x = 10,629.29

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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.