Home / 25,488.92-38,218.68-9,888.32

Finding the Fourth Proportional to 25,488.92, 38,218.68 and 9,888.32

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Solution

The fourth proportional to 25,488.92, 38,218.68 and 9,888.32 is: 14,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.92 : 38,218.68 = 9,888.32 : x
  2. Step 2: Convert to fraction form
    25,488.92/38,218.68 = 9,888.32/x
  3. Step 3: Cross multiply
    25,488.92x = 38,218.68 × 9,888.32
  4. Step 4: Simplify right side
    25,488.92x = 377,918,537.82
  5. Step 5: Solve for x
    x = 377,918,537.82/25,488.92
  6. Step 6: Final answer
    x = 14,826.78

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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.