Home / 26,891.00-40,338.63-8,172.67

Finding the Fourth Proportional to 26,891.00, 40,338.63 and 8,172.67

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Solution

The fourth proportional to 26,891.00, 40,338.63 and 8,172.67 is: 12,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,891.00 : 40,338.63 = 8,172.67 : x
  2. Step 2: Convert to fraction form
    26,891.00/40,338.63 = 8,172.67/x
  3. Step 3: Cross multiply
    26,891.00x = 40,338.63 × 8,172.67
  4. Step 4: Simplify right side
    26,891.00x = 329,674,210.40
  5. Step 5: Solve for x
    x = 329,674,210.40/26,891.00
  6. Step 6: Final answer
    x = 12,259.65

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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.