Home / 26,389.12-39,586.28-7,669.31

Finding the Fourth Proportional to 26,389.12, 39,586.28 and 7,669.31

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Solution

The fourth proportional to 26,389.12, 39,586.28 and 7,669.31 is: 11,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.12 : 39,586.28 = 7,669.31 : x
  2. Step 2: Convert to fraction form
    26,389.12/39,586.28 = 7,669.31/x
  3. Step 3: Cross multiply
    26,389.12x = 39,586.28 × 7,669.31
  4. Step 4: Simplify right side
    26,389.12x = 303,599,513.69
  5. Step 5: Solve for x
    x = 303,599,513.69/26,389.12
  6. Step 6: Final answer
    x = 11,504.72

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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.