Home / 29,992.23-45,015.78-15,211.35

Finding the Fourth Proportional to 29,992.23, 45,015.78 and 15,211.35

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Solution

The fourth proportional to 29,992.23, 45,015.78 and 15,211.35 is: 22,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.23 : 45,015.78 = 15,211.35 : x
  2. Step 2: Convert to fraction form
    29,992.23/45,015.78 = 15,211.35/x
  3. Step 3: Cross multiply
    29,992.23x = 45,015.78 × 15,211.35
  4. Step 4: Simplify right side
    29,992.23x = 684,750,785.10
  5. Step 5: Solve for x
    x = 684,750,785.10/29,992.23
  6. Step 6: Final answer
    x = 22,830.94

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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.