Home / 18,675.36-28,017.14-5,528.75

Finding the Fourth Proportional to 18,675.36, 28,017.14 and 5,528.75

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Solution

The fourth proportional to 18,675.36, 28,017.14 and 5,528.75 is: 8,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.36 : 28,017.14 = 5,528.75 : x
  2. Step 2: Convert to fraction form
    18,675.36/28,017.14 = 5,528.75/x
  3. Step 3: Cross multiply
    18,675.36x = 28,017.14 × 5,528.75
  4. Step 4: Simplify right side
    18,675.36x = 154,899,595.05
  5. Step 5: Solve for x
    x = 154,899,595.05/18,675.36
  6. Step 6: Final answer
    x = 8,294.33

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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.