Home / 21,439.26-32,150.97-7,395.66

Finding the Fourth Proportional to 21,439.26, 32,150.97 and 7,395.66

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Solution

The fourth proportional to 21,439.26, 32,150.97 and 7,395.66 is: 11,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439.26 : 32,150.97 = 7,395.66 : x
  2. Step 2: Convert to fraction form
    21,439.26/32,150.97 = 7,395.66/x
  3. Step 3: Cross multiply
    21,439.26x = 32,150.97 × 7,395.66
  4. Step 4: Simplify right side
    21,439.26x = 237,777,642.79
  5. Step 5: Solve for x
    x = 237,777,642.79/21,439.26
  6. Step 6: Final answer
    x = 11,090.76

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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.