Home / 26,758.80-40,138.61-10,126.67

Finding the Fourth Proportional to 26,758.80, 40,138.61 and 10,126.67

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Solution

The fourth proportional to 26,758.80, 40,138.61 and 10,126.67 is: 15,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.80 : 40,138.61 = 10,126.67 : x
  2. Step 2: Convert to fraction form
    26,758.80/40,138.61 = 10,126.67/x
  3. Step 3: Cross multiply
    26,758.80x = 40,138.61 × 10,126.67
  4. Step 4: Simplify right side
    26,758.80x = 406,470,206.40
  5. Step 5: Solve for x
    x = 406,470,206.40/26,758.80
  6. Step 6: Final answer
    x = 15,190.15

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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.