Home / 18,682.04-28,027.12-5,535.40

Finding the Fourth Proportional to 18,682.04, 28,027.12 and 5,535.40

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Solution

The fourth proportional to 18,682.04, 28,027.12 and 5,535.40 is: 8,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.04 : 28,027.12 = 5,535.40 : x
  2. Step 2: Convert to fraction form
    18,682.04/28,027.12 = 5,535.40/x
  3. Step 3: Cross multiply
    18,682.04x = 28,027.12 × 5,535.40
  4. Step 4: Simplify right side
    18,682.04x = 155,141,320.05
  5. Step 5: Solve for x
    x = 155,141,320.05/18,682.04
  6. Step 6: Final answer
    x = 8,304.30

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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.