Home / 18,015.42-26,967.75-15,358.21

Finding the Fourth Proportional to 18,015.42, 26,967.75 and 15,358.21

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Solution

The fourth proportional to 18,015.42, 26,967.75 and 15,358.21 is: 22,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.42 : 26,967.75 = 15,358.21 : x
  2. Step 2: Convert to fraction form
    18,015.42/26,967.75 = 15,358.21/x
  3. Step 3: Cross multiply
    18,015.42x = 26,967.75 × 15,358.21
  4. Step 4: Simplify right side
    18,015.42x = 414,176,367.73
  5. Step 5: Solve for x
    x = 414,176,367.73/18,015.42
  6. Step 6: Final answer
    x = 22,990.10

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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.