Home / 26,569.49-39,863.48-11,788.79

Finding the Fourth Proportional to 26,569.49, 39,863.48 and 11,788.79

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Solution

The fourth proportional to 26,569.49, 39,863.48 and 11,788.79 is: 17,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,569.49 : 39,863.48 = 11,788.79 : x
  2. Step 2: Convert to fraction form
    26,569.49/39,863.48 = 11,788.79/x
  3. Step 3: Cross multiply
    26,569.49x = 39,863.48 × 11,788.79
  4. Step 4: Simplify right side
    26,569.49x = 469,941,936.13
  5. Step 5: Solve for x
    x = 469,941,936.13/26,569.49
  6. Step 6: Final answer
    x = 17,687.28

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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.