Home / 29,992.28-45,016.44-15,211.58

Finding the Fourth Proportional to 29,992.28, 45,016.44 and 15,211.58

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Solution

The fourth proportional to 29,992.28, 45,016.44 and 15,211.58 is: 22,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.28 : 45,016.44 = 15,211.58 : x
  2. Step 2: Convert to fraction form
    29,992.28/45,016.44 = 15,211.58/x
  3. Step 3: Cross multiply
    29,992.28x = 45,016.44 × 15,211.58
  4. Step 4: Simplify right side
    29,992.28x = 684,771,178.38
  5. Step 5: Solve for x
    x = 684,771,178.38/29,992.28
  6. Step 6: Final answer
    x = 22,831.58

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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.