Home / 25,429.24-38,145.66-11,387.08

Finding the Fourth Proportional to 25,429.24, 38,145.66 and 11,387.08

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Solution

The fourth proportional to 25,429.24, 38,145.66 and 11,387.08 is: 17,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.24 : 38,145.66 = 11,387.08 : x
  2. Step 2: Convert to fraction form
    25,429.24/38,145.66 = 11,387.08/x
  3. Step 3: Cross multiply
    25,429.24x = 38,145.66 × 11,387.08
  4. Step 4: Simplify right side
    25,429.24x = 434,367,682.07
  5. Step 5: Solve for x
    x = 434,367,682.07/25,429.24
  6. Step 6: Final answer
    x = 17,081.43

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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.