Home / 26,634.93-39,958.65-7,915.11

Finding the Fourth Proportional to 26,634.93, 39,958.65 and 7,915.11

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Solution

The fourth proportional to 26,634.93, 39,958.65 and 7,915.11 is: 11,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.93 : 39,958.65 = 7,915.11 : x
  2. Step 2: Convert to fraction form
    26,634.93/39,958.65 = 7,915.11/x
  3. Step 3: Cross multiply
    26,634.93x = 39,958.65 × 7,915.11
  4. Step 4: Simplify right side
    26,634.93x = 316,277,110.20
  5. Step 5: Solve for x
    x = 316,277,110.20/26,634.93
  6. Step 6: Final answer
    x = 11,874.52

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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.