Home / 20,004.10-30,006.15-17,962.90

Finding the Fourth Proportional to 20,004.10, 30,006.15 and 17,962.90

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Solution

The fourth proportional to 20,004.10, 30,006.15 and 17,962.90 is: 26,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.10 : 30,006.15 = 17,962.90 : x
  2. Step 2: Convert to fraction form
    20,004.10/30,006.15 = 17,962.90/x
  3. Step 3: Cross multiply
    20,004.10x = 30,006.15 × 17,962.90
  4. Step 4: Simplify right side
    20,004.10x = 538,997,471.84
  5. Step 5: Solve for x
    x = 538,997,471.84/20,004.10
  6. Step 6: Final answer
    x = 26,944.35

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Similar ratio
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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.