Home / 26,249.08-39,392.52-12,919.18

Finding the Fourth Proportional to 26,249.08, 39,392.52 and 12,919.18

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Solution

The fourth proportional to 26,249.08, 39,392.52 and 12,919.18 is: 19,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249.08 : 39,392.52 = 12,919.18 : x
  2. Step 2: Convert to fraction form
    26,249.08/39,392.52 = 12,919.18/x
  3. Step 3: Cross multiply
    26,249.08x = 39,392.52 × 12,919.18
  4. Step 4: Simplify right side
    26,249.08x = 508,919,056.53
  5. Step 5: Solve for x
    x = 508,919,056.53/26,249.08
  6. Step 6: Final answer
    x = 19,388.07

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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.