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Finding the Fourth Proportional to 25,994.79, 38,991.24 and 9,351.09

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Solution

The fourth proportional to 25,994.79, 38,991.24 and 9,351.09 is: 14,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,994.79 : 38,991.24 = 9,351.09 : x
  2. Step 2: Convert to fraction form
    25,994.79/38,991.24 = 9,351.09/x
  3. Step 3: Cross multiply
    25,994.79x = 38,991.24 × 9,351.09
  4. Step 4: Simplify right side
    25,994.79x = 364,610,594.45
  5. Step 5: Solve for x
    x = 364,610,594.45/25,994.79
  6. Step 6: Final answer
    x = 14,026.30

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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.