Home / 25,749.92-38,621.64-8,218.28

Finding the Fourth Proportional to 25,749.92, 38,621.64 and 8,218.28

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Solution

The fourth proportional to 25,749.92, 38,621.64 and 8,218.28 is: 12,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.92 : 38,621.64 = 8,218.28 : x
  2. Step 2: Convert to fraction form
    25,749.92/38,621.64 = 8,218.28/x
  3. Step 3: Cross multiply
    25,749.92x = 38,621.64 × 8,218.28
  4. Step 4: Simplify right side
    25,749.92x = 317,403,451.58
  5. Step 5: Solve for x
    x = 317,403,451.58/25,749.92
  6. Step 6: Final answer
    x = 12,326.39

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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.