Home / 17,886.69-26,828.96-5,406.48

Finding the Fourth Proportional to 17,886.69, 26,828.96 and 5,406.48

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Solution

The fourth proportional to 17,886.69, 26,828.96 and 5,406.48 is: 8,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.69 : 26,828.96 = 5,406.48 : x
  2. Step 2: Convert to fraction form
    17,886.69/26,828.96 = 5,406.48/x
  3. Step 3: Cross multiply
    17,886.69x = 26,828.96 × 5,406.48
  4. Step 4: Simplify right side
    17,886.69x = 145,050,208.63
  5. Step 5: Solve for x
    x = 145,050,208.63/17,886.69
  6. Step 6: Final answer
    x = 8,109.39

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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.