Home / 25,554.96-38,251.44-18,511.20

Finding the Fourth Proportional to 25,554.96, 38,251.44 and 18,511.20

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Solution

The fourth proportional to 25,554.96, 38,251.44 and 18,511.20 is: 27,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,554.96 : 38,251.44 = 18,511.20 : x
  2. Step 2: Convert to fraction form
    25,554.96/38,251.44 = 18,511.20/x
  3. Step 3: Cross multiply
    25,554.96x = 38,251.44 × 18,511.20
  4. Step 4: Simplify right side
    25,554.96x = 708,080,056.13
  5. Step 5: Solve for x
    x = 708,080,056.13/25,554.96
  6. Step 6: Final answer
    x = 27,708.13

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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.