Home / 21,421.36-32,067.19-19,446.99

Finding the Fourth Proportional to 21,421.36, 32,067.19 and 19,446.99

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Solution

The fourth proportional to 21,421.36, 32,067.19 and 19,446.99 is: 29,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421.36 : 32,067.19 = 19,446.99 : x
  2. Step 2: Convert to fraction form
    21,421.36/32,067.19 = 19,446.99/x
  3. Step 3: Cross multiply
    21,421.36x = 32,067.19 × 19,446.99
  4. Step 4: Simplify right side
    21,421.36x = 623,610,227.31
  5. Step 5: Solve for x
    x = 623,610,227.31/21,421.36
  6. Step 6: Final answer
    x = 29,111.61

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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.