Home / 25,387.26-38,082.31-7,855.72

Finding the Fourth Proportional to 25,387.26, 38,082.31 and 7,855.72

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Solution

The fourth proportional to 25,387.26, 38,082.31 and 7,855.72 is: 11,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.26 : 38,082.31 = 7,855.72 : x
  2. Step 2: Convert to fraction form
    25,387.26/38,082.31 = 7,855.72/x
  3. Step 3: Cross multiply
    25,387.26x = 38,082.31 × 7,855.72
  4. Step 4: Simplify right side
    25,387.26x = 299,163,964.31
  5. Step 5: Solve for x
    x = 299,163,964.31/25,387.26
  6. Step 6: Final answer
    x = 11,784.02

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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.