Home / 26,302.43-39,439.05-8,762.69

Finding the Fourth Proportional to 26,302.43, 39,439.05 and 8,762.69

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Solution

The fourth proportional to 26,302.43, 39,439.05 and 8,762.69 is: 13,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,302.43 : 39,439.05 = 8,762.69 : x
  2. Step 2: Convert to fraction form
    26,302.43/39,439.05 = 8,762.69/x
  3. Step 3: Cross multiply
    26,302.43x = 39,439.05 × 8,762.69
  4. Step 4: Simplify right side
    26,302.43x = 345,592,169.04
  5. Step 5: Solve for x
    x = 345,592,169.04/26,302.43
  6. Step 6: Final answer
    x = 13,139.17

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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.