Home / 26,429.66-39,566.72-17,642.78

Finding the Fourth Proportional to 26,429.66, 39,566.72 and 17,642.78

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Solution

The fourth proportional to 26,429.66, 39,566.72 and 17,642.78 is: 26,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.66 : 39,566.72 = 17,642.78 : x
  2. Step 2: Convert to fraction form
    26,429.66/39,566.72 = 17,642.78/x
  3. Step 3: Cross multiply
    26,429.66x = 39,566.72 × 17,642.78
  4. Step 4: Simplify right side
    26,429.66x = 698,066,782.55
  5. Step 5: Solve for x
    x = 698,066,782.55/26,429.66
  6. Step 6: Final answer
    x = 26,412.25

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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.