Home / 20,017.07-30,025.61-5,225.86

Finding the Fourth Proportional to 20,017.07, 30,025.61 and 5,225.86

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Solution

The fourth proportional to 20,017.07, 30,025.61 and 5,225.86 is: 7,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.07 : 30,025.61 = 5,225.86 : x
  2. Step 2: Convert to fraction form
    20,017.07/30,025.61 = 5,225.86/x
  3. Step 3: Cross multiply
    20,017.07x = 30,025.61 × 5,225.86
  4. Step 4: Simplify right side
    20,017.07x = 156,909,634.27
  5. Step 5: Solve for x
    x = 156,909,634.27/20,017.07
  6. Step 6: Final answer
    x = 7,838.79

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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.