Home / 26,555.66-39,858.12-13,417.26

Finding the Fourth Proportional to 26,555.66, 39,858.12 and 13,417.26

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Solution

The fourth proportional to 26,555.66, 39,858.12 and 13,417.26 is: 20,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.66 : 39,858.12 = 13,417.26 : x
  2. Step 2: Convert to fraction form
    26,555.66/39,858.12 = 13,417.26/x
  3. Step 3: Cross multiply
    26,555.66x = 39,858.12 × 13,417.26
  4. Step 4: Simplify right side
    26,555.66x = 534,786,759.15
  5. Step 5: Solve for x
    x = 534,786,759.15/26,555.66
  6. Step 6: Final answer
    x = 20,138.34

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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.