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Finding the Fourth Proportional to 25,950.72, 35,809.92 and 16,984.02

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Solution

The fourth proportional to 25,950.72, 35,809.92 and 16,984.02 is: 23,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950.72 : 35,809.92 = 16,984.02 : x
  2. Step 2: Convert to fraction form
    25,950.72/35,809.92 = 16,984.02/x
  3. Step 3: Cross multiply
    25,950.72x = 35,809.92 × 16,984.02
  4. Step 4: Simplify right side
    25,950.72x = 608,196,397.48
  5. Step 5: Solve for x
    x = 608,196,397.48/25,950.72
  6. Step 6: Final answer
    x = 23,436.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.