Home / 26,579.04-39,869.10-7,859.07

Finding the Fourth Proportional to 26,579.04, 39,869.10 and 7,859.07

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Solution

The fourth proportional to 26,579.04, 39,869.10 and 7,859.07 is: 11,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.04 : 39,869.10 = 7,859.07 : x
  2. Step 2: Convert to fraction form
    26,579.04/39,869.10 = 7,859.07/x
  3. Step 3: Cross multiply
    26,579.04x = 39,869.10 × 7,859.07
  4. Step 4: Simplify right side
    26,579.04x = 313,334,047.74
  5. Step 5: Solve for x
    x = 313,334,047.74/26,579.04
  6. Step 6: Final answer
    x = 11,788.76

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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.