Home / 21,646.44-32,395.82-13,332.20

Finding the Fourth Proportional to 21,646.44, 32,395.82 and 13,332.20

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Solution

The fourth proportional to 21,646.44, 32,395.82 and 13,332.20 is: 19,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.44 : 32,395.82 = 13,332.20 : x
  2. Step 2: Convert to fraction form
    21,646.44/32,395.82 = 13,332.20/x
  3. Step 3: Cross multiply
    21,646.44x = 32,395.82 × 13,332.20
  4. Step 4: Simplify right side
    21,646.44x = 431,907,322.76
  5. Step 5: Solve for x
    x = 431,907,322.76/21,646.44
  6. Step 6: Final answer
    x = 19,952.81

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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.