Home / 21,448.38-32,108.73-19,195.74

Finding the Fourth Proportional to 21,448.38, 32,108.73 and 19,195.74

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Solution

The fourth proportional to 21,448.38, 32,108.73 and 19,195.74 is: 28,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.38 : 32,108.73 = 19,195.74 : x
  2. Step 2: Convert to fraction form
    21,448.38/32,108.73 = 19,195.74/x
  3. Step 3: Cross multiply
    21,448.38x = 32,108.73 × 19,195.74
  4. Step 4: Simplify right side
    21,448.38x = 616,350,832.81
  5. Step 5: Solve for x
    x = 616,350,832.81/21,448.38
  6. Step 6: Final answer
    x = 28,736.47

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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.