Home / 27,148.05-40,697.01-18,831.98

Finding the Fourth Proportional to 27,148.05, 40,697.01 and 18,831.98

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Solution

The fourth proportional to 27,148.05, 40,697.01 and 18,831.98 is: 28,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.05 : 40,697.01 = 18,831.98 : x
  2. Step 2: Convert to fraction form
    27,148.05/40,697.01 = 18,831.98/x
  3. Step 3: Cross multiply
    27,148.05x = 40,697.01 × 18,831.98
  4. Step 4: Simplify right side
    27,148.05x = 766,405,278.38
  5. Step 5: Solve for x
    x = 766,405,278.38/27,148.05
  6. Step 6: Final answer
    x = 28,230.58

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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.