Home / 21,623.99-32,221.03-19,265.88

Finding the Fourth Proportional to 21,623.99, 32,221.03 and 19,265.88

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Solution

The fourth proportional to 21,623.99, 32,221.03 and 19,265.88 is: 28,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.99 : 32,221.03 = 19,265.88 : x
  2. Step 2: Convert to fraction form
    21,623.99/32,221.03 = 19,265.88/x
  3. Step 3: Cross multiply
    21,623.99x = 32,221.03 × 19,265.88
  4. Step 4: Simplify right side
    21,623.99x = 620,766,497.46
  5. Step 5: Solve for x
    x = 620,766,497.46/21,623.99
  6. Step 6: Final answer
    x = 28,707.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.