Home / 17,889.05-26,831.76-4,742.75

Finding the Fourth Proportional to 17,889.05, 26,831.76 and 4,742.75

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Solution

The fourth proportional to 17,889.05, 26,831.76 and 4,742.75 is: 7,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.05 : 26,831.76 = 4,742.75 : x
  2. Step 2: Convert to fraction form
    17,889.05/26,831.76 = 4,742.75/x
  3. Step 3: Cross multiply
    17,889.05x = 26,831.76 × 4,742.75
  4. Step 4: Simplify right side
    17,889.05x = 127,256,379.03
  5. Step 5: Solve for x
    x = 127,256,379.03/17,889.05
  6. Step 6: Final answer
    x = 7,113.65

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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.