Home / 21,014.22-29,041.44-17,231.52

Finding the Fourth Proportional to 21,014.22, 29,041.44 and 17,231.52

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Solution

The fourth proportional to 21,014.22, 29,041.44 and 17,231.52 is: 23,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.22 : 29,041.44 = 17,231.52 : x
  2. Step 2: Convert to fraction form
    21,014.22/29,041.44 = 17,231.52/x
  3. Step 3: Cross multiply
    21,014.22x = 29,041.44 × 17,231.52
  4. Step 4: Simplify right side
    21,014.22x = 500,428,154.19
  5. Step 5: Solve for x
    x = 500,428,154.19/21,014.22
  6. Step 6: Final answer
    x = 23,813.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.