Home / 17,804.10-26,697.90-5,320.86

Finding the Fourth Proportional to 17,804.10, 26,697.90 and 5,320.86

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Solution

The fourth proportional to 17,804.10, 26,697.90 and 5,320.86 is: 7,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804.10 : 26,697.90 = 5,320.86 : x
  2. Step 2: Convert to fraction form
    17,804.10/26,697.90 = 5,320.86/x
  3. Step 3: Cross multiply
    17,804.10x = 26,697.90 × 5,320.86
  4. Step 4: Simplify right side
    17,804.10x = 142,055,788.19
  5. Step 5: Solve for x
    x = 142,055,788.19/17,804.10
  6. Step 6: Final answer
    x = 7,978.82

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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.