Home / 26,578.98-39,875.01-7,858.92

Finding the Fourth Proportional to 26,578.98, 39,875.01 and 7,858.92

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Solution

The fourth proportional to 26,578.98, 39,875.01 and 7,858.92 is: 11,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,578.98 : 39,875.01 = 7,858.92 : x
  2. Step 2: Convert to fraction form
    26,578.98/39,875.01 = 7,858.92/x
  3. Step 3: Cross multiply
    26,578.98x = 39,875.01 × 7,858.92
  4. Step 4: Simplify right side
    26,578.98x = 313,374,513.59
  5. Step 5: Solve for x
    x = 313,374,513.59/26,578.98
  6. Step 6: Final answer
    x = 11,790.31

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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.