Home / 26,721.36-40,077.36-9,191.52

Finding the Fourth Proportional to 26,721.36, 40,077.36 and 9,191.52

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Solution

The fourth proportional to 26,721.36, 40,077.36 and 9,191.52 is: 13,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.36 : 40,077.36 = 9,191.52 : x
  2. Step 2: Convert to fraction form
    26,721.36/40,077.36 = 9,191.52/x
  3. Step 3: Cross multiply
    26,721.36x = 40,077.36 × 9,191.52
  4. Step 4: Simplify right side
    26,721.36x = 368,371,855.99
  5. Step 5: Solve for x
    x = 368,371,855.99/26,721.36
  6. Step 6: Final answer
    x = 13,785.67

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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.