Home / 21,790.23-32,685.35-15,229.23

Finding the Fourth Proportional to 21,790.23, 32,685.35 and 15,229.23

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Solution

The fourth proportional to 21,790.23, 32,685.35 and 15,229.23 is: 22,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.23 : 32,685.35 = 15,229.23 : x
  2. Step 2: Convert to fraction form
    21,790.23/32,685.35 = 15,229.23/x
  3. Step 3: Cross multiply
    21,790.23x = 32,685.35 × 15,229.23
  4. Step 4: Simplify right side
    21,790.23x = 497,772,636.63
  5. Step 5: Solve for x
    x = 497,772,636.63/21,790.23
  6. Step 6: Final answer
    x = 22,843.85

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Double scale
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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.