Home / 21,414.13-32,121.02-16,738.07

Finding the Fourth Proportional to 21,414.13, 32,121.02 and 16,738.07

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Solution

The fourth proportional to 21,414.13, 32,121.02 and 16,738.07 is: 25,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.13 : 32,121.02 = 16,738.07 : x
  2. Step 2: Convert to fraction form
    21,414.13/32,121.02 = 16,738.07/x
  3. Step 3: Cross multiply
    21,414.13x = 32,121.02 × 16,738.07
  4. Step 4: Simplify right side
    21,414.13x = 537,643,877.84
  5. Step 5: Solve for x
    x = 537,643,877.84/21,414.13
  6. Step 6: Final answer
    x = 25,106.97

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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.