Home / 25,394.32-38,080.62-7,860.04

Finding the Fourth Proportional to 25,394.32, 38,080.62 and 7,860.04

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Solution

The fourth proportional to 25,394.32, 38,080.62 and 7,860.04 is: 11,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.32 : 38,080.62 = 7,860.04 : x
  2. Step 2: Convert to fraction form
    25,394.32/38,080.62 = 7,860.04/x
  3. Step 3: Cross multiply
    25,394.32x = 38,080.62 × 7,860.04
  4. Step 4: Simplify right side
    25,394.32x = 299,315,196.42
  5. Step 5: Solve for x
    x = 299,315,196.42/25,394.32
  6. Step 6: Final answer
    x = 11,786.70

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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.