Home / 21,862.48-32,811.20-11,335.49

Finding the Fourth Proportional to 21,862.48, 32,811.20 and 11,335.49

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Solution

The fourth proportional to 21,862.48, 32,811.20 and 11,335.49 is: 17,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.48 : 32,811.20 = 11,335.49 : x
  2. Step 2: Convert to fraction form
    21,862.48/32,811.20 = 11,335.49/x
  3. Step 3: Cross multiply
    21,862.48x = 32,811.20 × 11,335.49
  4. Step 4: Simplify right side
    21,862.48x = 371,931,029.49
  5. Step 5: Solve for x
    x = 371,931,029.49/21,862.48
  6. Step 6: Final answer
    x = 17,012.30

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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.