Home / 17,887.05-26,828.75-4,739.54

Finding the Fourth Proportional to 17,887.05, 26,828.75 and 4,739.54

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Solution

The fourth proportional to 17,887.05, 26,828.75 and 4,739.54 is: 7,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.05 : 26,828.75 = 4,739.54 : x
  2. Step 2: Convert to fraction form
    17,887.05/26,828.75 = 4,739.54/x
  3. Step 3: Cross multiply
    17,887.05x = 26,828.75 × 4,739.54
  4. Step 4: Simplify right side
    17,887.05x = 127,155,811.48
  5. Step 5: Solve for x
    x = 127,155,811.48/17,887.05
  6. Step 6: Final answer
    x = 7,108.82

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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.