Home / 21,445.38-32,104.22-19,192.77

Finding the Fourth Proportional to 21,445.38, 32,104.22 and 19,192.77

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Solution

The fourth proportional to 21,445.38, 32,104.22 and 19,192.77 is: 28,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.38 : 32,104.22 = 19,192.77 : x
  2. Step 2: Convert to fraction form
    21,445.38/32,104.22 = 19,192.77/x
  3. Step 3: Cross multiply
    21,445.38x = 32,104.22 × 19,192.77
  4. Step 4: Simplify right side
    21,445.38x = 616,168,814.53
  5. Step 5: Solve for x
    x = 616,168,814.53/21,445.38
  6. Step 6: Final answer
    x = 28,732.01

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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.