Home / 17,328.06-25,995.60-5,638.14

Finding the Fourth Proportional to 17,328.06, 25,995.60 and 5,638.14

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Solution

The fourth proportional to 17,328.06, 25,995.60 and 5,638.14 is: 8,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.06 : 25,995.60 = 5,638.14 : x
  2. Step 2: Convert to fraction form
    17,328.06/25,995.60 = 5,638.14/x
  3. Step 3: Cross multiply
    17,328.06x = 25,995.60 × 5,638.14
  4. Step 4: Simplify right side
    17,328.06x = 146,566,832.18
  5. Step 5: Solve for x
    x = 146,566,832.18/17,328.06
  6. Step 6: Final answer
    x = 8,458.35

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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.