Home / 26,658.03-39,990.78-9,788.91

Finding the Fourth Proportional to 26,658.03, 39,990.78 and 9,788.91

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Solution

The fourth proportional to 26,658.03, 39,990.78 and 9,788.91 is: 14,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.03 : 39,990.78 = 9,788.91 : x
  2. Step 2: Convert to fraction form
    26,658.03/39,990.78 = 9,788.91/x
  3. Step 3: Cross multiply
    26,658.03x = 39,990.78 × 9,788.91
  4. Step 4: Simplify right side
    26,658.03x = 391,466,146.25
  5. Step 5: Solve for x
    x = 391,466,146.25/26,658.03
  6. Step 6: Final answer
    x = 14,684.74

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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.