Home / 26,521.24-39,780.83-8,991.07

Finding the Fourth Proportional to 26,521.24, 39,780.83 and 8,991.07

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Solution

The fourth proportional to 26,521.24, 39,780.83 and 8,991.07 is: 13,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521.24 : 39,780.83 = 8,991.07 : x
  2. Step 2: Convert to fraction form
    26,521.24/39,780.83 = 8,991.07/x
  3. Step 3: Cross multiply
    26,521.24x = 39,780.83 × 8,991.07
  4. Step 4: Simplify right side
    26,521.24x = 357,672,028.28
  5. Step 5: Solve for x
    x = 357,672,028.28/26,521.24
  6. Step 6: Final answer
    x = 13,486.25

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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.