Home / 20,025.05-30,038.27-6,877.32

Finding the Fourth Proportional to 20,025.05, 30,038.27 and 6,877.32

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Solution

The fourth proportional to 20,025.05, 30,038.27 and 6,877.32 is: 10,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.05 : 30,038.27 = 6,877.32 : x
  2. Step 2: Convert to fraction form
    20,025.05/30,038.27 = 6,877.32/x
  3. Step 3: Cross multiply
    20,025.05x = 30,038.27 × 6,877.32
  4. Step 4: Simplify right side
    20,025.05x = 206,582,760.65
  5. Step 5: Solve for x
    x = 206,582,760.65/20,025.05
  6. Step 6: Final answer
    x = 10,316.22

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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.