Home / 20,016.18-30,025.62-5,225.58

Finding the Fourth Proportional to 20,016.18, 30,025.62 and 5,225.58

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Solution

The fourth proportional to 20,016.18, 30,025.62 and 5,225.58 is: 7,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.18 : 30,025.62 = 5,225.58 : x
  2. Step 2: Convert to fraction form
    20,016.18/30,025.62 = 5,225.58/x
  3. Step 3: Cross multiply
    20,016.18x = 30,025.62 × 5,225.58
  4. Step 4: Simplify right side
    20,016.18x = 156,901,279.36
  5. Step 5: Solve for x
    x = 156,901,279.36/20,016.18
  6. Step 6: Final answer
    x = 7,838.72

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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.