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Finding the Fourth Proportional to 25,650.39, 38,477.78 and 9,008.98

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Solution

The fourth proportional to 25,650.39, 38,477.78 and 9,008.98 is: 13,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.39 : 38,477.78 = 9,008.98 : x
  2. Step 2: Convert to fraction form
    25,650.39/38,477.78 = 9,008.98/x
  3. Step 3: Cross multiply
    25,650.39x = 38,477.78 × 9,008.98
  4. Step 4: Simplify right side
    25,650.39x = 346,645,550.46
  5. Step 5: Solve for x
    x = 346,645,550.46/25,650.39
  6. Step 6: Final answer
    x = 13,514.24

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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.