Home / 26,521.56-39,781.53-8,991.54

Finding the Fourth Proportional to 26,521.56, 39,781.53 and 8,991.54

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Solution

The fourth proportional to 26,521.56, 39,781.53 and 8,991.54 is: 13,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.56 : 39,781.53 = 8,991.54 : x
  2. Step 2: Convert to fraction form
    26,521.56/39,781.53 = 8,991.54/x
  3. Step 3: Cross multiply
    26,521.56x = 39,781.53 × 8,991.54
  4. Step 4: Simplify right side
    26,521.56x = 357,697,218.26
  5. Step 5: Solve for x
    x = 357,697,218.26/26,521.56
  6. Step 6: Final answer
    x = 13,487.04

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1.5x scale

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.