Home / 20,015.76-30,025.44-5,975.52

Finding the Fourth Proportional to 20,015.76, 30,025.44 and 5,975.52

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Solution

The fourth proportional to 20,015.76, 30,025.44 and 5,975.52 is: 8,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.76 : 30,025.44 = 5,975.52 : x
  2. Step 2: Convert to fraction form
    20,015.76/30,025.44 = 5,975.52/x
  3. Step 3: Cross multiply
    20,015.76x = 30,025.44 × 5,975.52
  4. Step 4: Simplify right side
    20,015.76x = 179,417,617.23
  5. Step 5: Solve for x
    x = 179,417,617.23/20,015.76
  6. Step 6: Final answer
    x = 8,963.82

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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.