Home / 25,648.96-38,490.62-9,009.05

Finding the Fourth Proportional to 25,648.96, 38,490.62 and 9,009.05

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Solution

The fourth proportional to 25,648.96, 38,490.62 and 9,009.05 is: 13,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.96 : 38,490.62 = 9,009.05 : x
  2. Step 2: Convert to fraction form
    25,648.96/38,490.62 = 9,009.05/x
  3. Step 3: Cross multiply
    25,648.96x = 38,490.62 × 9,009.05
  4. Step 4: Simplify right side
    25,648.96x = 346,763,920.11
  5. Step 5: Solve for x
    x = 346,763,920.11/25,648.96
  6. Step 6: Final answer
    x = 13,519.61

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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.