Home / 25,511.09-38,240.21-18,473.51

Finding the Fourth Proportional to 25,511.09, 38,240.21 and 18,473.51

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Solution

The fourth proportional to 25,511.09, 38,240.21 and 18,473.51 is: 27,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,511.09 : 38,240.21 = 18,473.51 : x
  2. Step 2: Convert to fraction form
    25,511.09/38,240.21 = 18,473.51/x
  3. Step 3: Cross multiply
    25,511.09x = 38,240.21 × 18,473.51
  4. Step 4: Simplify right side
    25,511.09x = 706,431,043.62
  5. Step 5: Solve for x
    x = 706,431,043.62/25,511.09
  6. Step 6: Final answer
    x = 27,691.13

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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.