Home / 26,527.36-39,792.90-8,991.28

Finding the Fourth Proportional to 26,527.36, 39,792.90 and 8,991.28

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Solution

The fourth proportional to 26,527.36, 39,792.90 and 8,991.28 is: 13,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,527.36 : 39,792.90 = 8,991.28 : x
  2. Step 2: Convert to fraction form
    26,527.36/39,792.90 = 8,991.28/x
  3. Step 3: Cross multiply
    26,527.36x = 39,792.90 × 8,991.28
  4. Step 4: Simplify right side
    26,527.36x = 357,789,105.91
  5. Step 5: Solve for x
    x = 357,789,105.91/26,527.36
  6. Step 6: Final answer
    x = 13,487.55

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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.