Home / 17,810.64-26,721.08-5,331.60

Finding the Fourth Proportional to 17,810.64, 26,721.08 and 5,331.60

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Solution

The fourth proportional to 17,810.64, 26,721.08 and 5,331.60 is: 7,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,810.64 : 26,721.08 = 5,331.60 : x
  2. Step 2: Convert to fraction form
    17,810.64/26,721.08 = 5,331.60/x
  3. Step 3: Cross multiply
    17,810.64x = 26,721.08 × 5,331.60
  4. Step 4: Simplify right side
    17,810.64x = 142,466,110.13
  5. Step 5: Solve for x
    x = 142,466,110.13/17,810.64
  6. Step 6: Final answer
    x = 7,998.93

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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.