Home / 27,418.78-41,073.36-12,607.40

Finding the Fourth Proportional to 27,418.78, 41,073.36 and 12,607.40

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Solution

The fourth proportional to 27,418.78, 41,073.36 and 12,607.40 is: 18,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.78 : 41,073.36 = 12,607.40 : x
  2. Step 2: Convert to fraction form
    27,418.78/41,073.36 = 12,607.40/x
  3. Step 3: Cross multiply
    27,418.78x = 41,073.36 × 12,607.40
  4. Step 4: Simplify right side
    27,418.78x = 517,828,278.86
  5. Step 5: Solve for x
    x = 517,828,278.86/27,418.78
  6. Step 6: Final answer
    x = 18,885.90

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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.