Home / 26,922.08-40,386.81-9,147.96

Finding the Fourth Proportional to 26,922.08, 40,386.81 and 9,147.96

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Solution

The fourth proportional to 26,922.08, 40,386.81 and 9,147.96 is: 13,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.08 : 40,386.81 = 9,147.96 : x
  2. Step 2: Convert to fraction form
    26,922.08/40,386.81 = 9,147.96/x
  3. Step 3: Cross multiply
    26,922.08x = 40,386.81 × 9,147.96
  4. Step 4: Simplify right side
    26,922.08x = 369,456,922.41
  5. Step 5: Solve for x
    x = 369,456,922.41/26,922.08
  6. Step 6: Final answer
    x = 13,723.20

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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.