Home / 20,828.07-31,246.92-6,037.20

Finding the Fourth Proportional to 20,828.07, 31,246.92 and 6,037.20

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Solution

The fourth proportional to 20,828.07, 31,246.92 and 6,037.20 is: 9,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,828.07 : 31,246.92 = 6,037.20 : x
  2. Step 2: Convert to fraction form
    20,828.07/31,246.92 = 6,037.20/x
  3. Step 3: Cross multiply
    20,828.07x = 31,246.92 × 6,037.20
  4. Step 4: Simplify right side
    20,828.07x = 188,643,905.42
  5. Step 5: Solve for x
    x = 188,643,905.42/20,828.07
  6. Step 6: Final answer
    x = 9,057.20

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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.