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Finding the Fourth Proportional to 17,005.88, 25,510.26 and 4,693.88

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Solution

The fourth proportional to 17,005.88, 25,510.26 and 4,693.88 is: 7,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.88 : 25,510.26 = 4,693.88 : x
  2. Step 2: Convert to fraction form
    17,005.88/25,510.26 = 4,693.88/x
  3. Step 3: Cross multiply
    17,005.88x = 25,510.26 × 4,693.88
  4. Step 4: Simplify right side
    17,005.88x = 119,741,971.66
  5. Step 5: Solve for x
    x = 119,741,971.66/17,005.88
  6. Step 6: Final answer
    x = 7,041.21

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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.