Home / 19,025.64-28,538.52-5,174.64

Finding the Fourth Proportional to 19,025.64, 28,538.52 and 5,174.64

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Solution

The fourth proportional to 19,025.64, 28,538.52 and 5,174.64 is: 7,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.64 : 28,538.52 = 5,174.64 : x
  2. Step 2: Convert to fraction form
    19,025.64/28,538.52 = 5,174.64/x
  3. Step 3: Cross multiply
    19,025.64x = 28,538.52 × 5,174.64
  4. Step 4: Simplify right side
    19,025.64x = 147,676,567.13
  5. Step 5: Solve for x
    x = 147,676,567.13/19,025.64
  6. Step 6: Final answer
    x = 7,761.98

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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.