Home / 26,919.95-40,380.26-9,389.76

Finding the Fourth Proportional to 26,919.95, 40,380.26 and 9,389.76

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Solution

The fourth proportional to 26,919.95, 40,380.26 and 9,389.76 is: 14,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.95 : 40,380.26 = 9,389.76 : x
  2. Step 2: Convert to fraction form
    26,919.95/40,380.26 = 9,389.76/x
  3. Step 3: Cross multiply
    26,919.95x = 40,380.26 × 9,389.76
  4. Step 4: Simplify right side
    26,919.95x = 379,160,903.19
  5. Step 5: Solve for x
    x = 379,160,903.19/26,919.95
  6. Step 6: Final answer
    x = 14,084.76

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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.