Home / 18,007.42-27,015.70-5,528.08

Finding the Fourth Proportional to 18,007.42, 27,015.70 and 5,528.08

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Solution

The fourth proportional to 18,007.42, 27,015.70 and 5,528.08 is: 8,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.42 : 27,015.70 = 5,528.08 : x
  2. Step 2: Convert to fraction form
    18,007.42/27,015.70 = 5,528.08/x
  3. Step 3: Cross multiply
    18,007.42x = 27,015.70 × 5,528.08
  4. Step 4: Simplify right side
    18,007.42x = 149,344,950.86
  5. Step 5: Solve for x
    x = 149,344,950.86/18,007.42
  6. Step 6: Final answer
    x = 8,293.52

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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.