Home / 26,386.38-39,569.99-7,661.34

Finding the Fourth Proportional to 26,386.38, 39,569.99 and 7,661.34

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Solution

The fourth proportional to 26,386.38, 39,569.99 and 7,661.34 is: 11,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.38 : 39,569.99 = 7,661.34 : x
  2. Step 2: Convert to fraction form
    26,386.38/39,569.99 = 7,661.34/x
  3. Step 3: Cross multiply
    26,386.38x = 39,569.99 × 7,661.34
  4. Step 4: Simplify right side
    26,386.38x = 303,159,108.88
  5. Step 5: Solve for x
    x = 303,159,108.88/26,386.38
  6. Step 6: Final answer
    x = 11,489.23

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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.