Home / 21,874.02-32,867.76-19,108.14

Finding the Fourth Proportional to 21,874.02, 32,867.76 and 19,108.14

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Solution

The fourth proportional to 21,874.02, 32,867.76 and 19,108.14 is: 28,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874.02 : 32,867.76 = 19,108.14 : x
  2. Step 2: Convert to fraction form
    21,874.02/32,867.76 = 19,108.14/x
  3. Step 3: Cross multiply
    21,874.02x = 32,867.76 × 19,108.14
  4. Step 4: Simplify right side
    21,874.02x = 628,041,759.57
  5. Step 5: Solve for x
    x = 628,041,759.57/21,874.02
  6. Step 6: Final answer
    x = 28,711.77

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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.