Home / 26,749.29-40,128.49-9,215.02

Finding the Fourth Proportional to 26,749.29, 40,128.49 and 9,215.02

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Solution

The fourth proportional to 26,749.29, 40,128.49 and 9,215.02 is: 13,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.29 : 40,128.49 = 9,215.02 : x
  2. Step 2: Convert to fraction form
    26,749.29/40,128.49 = 9,215.02/x
  3. Step 3: Cross multiply
    26,749.29x = 40,128.49 × 9,215.02
  4. Step 4: Simplify right side
    26,749.29x = 369,784,647.96
  5. Step 5: Solve for x
    x = 369,784,647.96/26,749.29
  6. Step 6: Final answer
    x = 13,824.09

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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.