Home / 25,734.28-38,526.30-15,843.88

Finding the Fourth Proportional to 25,734.28, 38,526.30 and 15,843.88

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Solution

The fourth proportional to 25,734.28, 38,526.30 and 15,843.88 is: 23,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,734.28 : 38,526.30 = 15,843.88 : x
  2. Step 2: Convert to fraction form
    25,734.28/38,526.30 = 15,843.88/x
  3. Step 3: Cross multiply
    25,734.28x = 38,526.30 × 15,843.88
  4. Step 4: Simplify right side
    25,734.28x = 610,406,074.04
  5. Step 5: Solve for x
    x = 610,406,074.04/25,734.28
  6. Step 6: Final answer
    x = 23,719.57

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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.