Home / 17,769.48-26,644.91-8,875.28

Finding the Fourth Proportional to 17,769.48, 26,644.91 and 8,875.28

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Solution

The fourth proportional to 17,769.48, 26,644.91 and 8,875.28 is: 13,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.48 : 26,644.91 = 8,875.28 : x
  2. Step 2: Convert to fraction form
    17,769.48/26,644.91 = 8,875.28/x
  3. Step 3: Cross multiply
    17,769.48x = 26,644.91 × 8,875.28
  4. Step 4: Simplify right side
    17,769.48x = 236,480,859.22
  5. Step 5: Solve for x
    x = 236,480,859.22/17,769.48
  6. Step 6: Final answer
    x = 13,308.26

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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.