Home / 26,579.63-39,875.07-7,858.19

Finding the Fourth Proportional to 26,579.63, 39,875.07 and 7,858.19

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Solution

The fourth proportional to 26,579.63, 39,875.07 and 7,858.19 is: 11,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.63 : 39,875.07 = 7,858.19 : x
  2. Step 2: Convert to fraction form
    26,579.63/39,875.07 = 7,858.19/x
  3. Step 3: Cross multiply
    26,579.63x = 39,875.07 × 7,858.19
  4. Step 4: Simplify right side
    26,579.63x = 313,345,876.32
  5. Step 5: Solve for x
    x = 313,345,876.32/26,579.63
  6. Step 6: Final answer
    x = 11,788.95

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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.