Home / 26,603.92-39,911.72-7,885.40

Finding the Fourth Proportional to 26,603.92, 39,911.72 and 7,885.40

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Solution

The fourth proportional to 26,603.92, 39,911.72 and 7,885.40 is: 11,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,603.92 : 39,911.72 = 7,885.40 : x
  2. Step 2: Convert to fraction form
    26,603.92/39,911.72 = 7,885.40/x
  3. Step 3: Cross multiply
    26,603.92x = 39,911.72 × 7,885.40
  4. Step 4: Simplify right side
    26,603.92x = 314,719,876.89
  5. Step 5: Solve for x
    x = 314,719,876.89/26,603.92
  6. Step 6: Final answer
    x = 11,829.83

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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.