Home / 26,947.70-40,421.55-18,491.30

Finding the Fourth Proportional to 26,947.70, 40,421.55 and 18,491.30

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Solution

The fourth proportional to 26,947.70, 40,421.55 and 18,491.30 is: 27,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.70 : 40,421.55 = 18,491.30 : x
  2. Step 2: Convert to fraction form
    26,947.70/40,421.55 = 18,491.30/x
  3. Step 3: Cross multiply
    26,947.70x = 40,421.55 × 18,491.30
  4. Step 4: Simplify right side
    26,947.70x = 747,447,007.52
  5. Step 5: Solve for x
    x = 747,447,007.52/26,947.70
  6. Step 6: Final answer
    x = 27,736.95

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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.