Home / 26,829.36-40,242.96-13,681.44

Finding the Fourth Proportional to 26,829.36, 40,242.96 and 13,681.44

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Solution

The fourth proportional to 26,829.36, 40,242.96 and 13,681.44 is: 20,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.36 : 40,242.96 = 13,681.44 : x
  2. Step 2: Convert to fraction form
    26,829.36/40,242.96 = 13,681.44/x
  3. Step 3: Cross multiply
    26,829.36x = 40,242.96 × 13,681.44
  4. Step 4: Simplify right side
    26,829.36x = 550,581,642.66
  5. Step 5: Solve for x
    x = 550,581,642.66/26,829.36
  6. Step 6: Final answer
    x = 20,521.61

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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.