Home / 21,324.02-31,986.03-17,668.34

Finding the Fourth Proportional to 21,324.02, 31,986.03 and 17,668.34

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Solution

The fourth proportional to 21,324.02, 31,986.03 and 17,668.34 is: 26,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.02 : 31,986.03 = 17,668.34 : x
  2. Step 2: Convert to fraction form
    21,324.02/31,986.03 = 17,668.34/x
  3. Step 3: Cross multiply
    21,324.02x = 31,986.03 × 17,668.34
  4. Step 4: Simplify right side
    21,324.02x = 565,140,053.29
  5. Step 5: Solve for x
    x = 565,140,053.29/21,324.02
  6. Step 6: Final answer
    x = 26,502.51

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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.