Home / 26,920.98-40,381.11-9,390.72

Finding the Fourth Proportional to 26,920.98, 40,381.11 and 9,390.72

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Solution

The fourth proportional to 26,920.98, 40,381.11 and 9,390.72 is: 14,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.98 : 40,381.11 = 9,390.72 : x
  2. Step 2: Convert to fraction form
    26,920.98/40,381.11 = 9,390.72/x
  3. Step 3: Cross multiply
    26,920.98x = 40,381.11 × 9,390.72
  4. Step 4: Simplify right side
    26,920.98x = 379,207,697.30
  5. Step 5: Solve for x
    x = 379,207,697.30/26,920.98
  6. Step 6: Final answer
    x = 14,085.95

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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.