Home / 18,882.80-28,322.36-5,735.28

Finding the Fourth Proportional to 18,882.80, 28,322.36 and 5,735.28

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Solution

The fourth proportional to 18,882.80, 28,322.36 and 5,735.28 is: 8,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.80 : 28,322.36 = 5,735.28 : x
  2. Step 2: Convert to fraction form
    18,882.80/28,322.36 = 5,735.28/x
  3. Step 3: Cross multiply
    18,882.80x = 28,322.36 × 5,735.28
  4. Step 4: Simplify right side
    18,882.80x = 162,436,636.18
  5. Step 5: Solve for x
    x = 162,436,636.18/18,882.80
  6. Step 6: Final answer
    x = 8,602.36

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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.