Home / 20,228.00-30,341.96-5,436.92

Finding the Fourth Proportional to 20,228.00, 30,341.96 and 5,436.92

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Solution

The fourth proportional to 20,228.00, 30,341.96 and 5,436.92 is: 8,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.00 : 30,341.96 = 5,436.92 : x
  2. Step 2: Convert to fraction form
    20,228.00/30,341.96 = 5,436.92/x
  3. Step 3: Cross multiply
    20,228.00x = 30,341.96 × 5,436.92
  4. Step 4: Simplify right side
    20,228.00x = 164,966,744.48
  5. Step 5: Solve for x
    x = 164,966,744.48/20,228.00
  6. Step 6: Final answer
    x = 8,155.37

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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.