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Finding the Fourth Proportional to 25,587.97, 35,302.03 and 15,509.14

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Solution

The fourth proportional to 25,587.97, 35,302.03 and 15,509.14 is: 21,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.97 : 35,302.03 = 15,509.14 : x
  2. Step 2: Convert to fraction form
    25,587.97/35,302.03 = 15,509.14/x
  3. Step 3: Cross multiply
    25,587.97x = 35,302.03 × 15,509.14
  4. Step 4: Simplify right side
    25,587.97x = 547,504,125.55
  5. Step 5: Solve for x
    x = 547,504,125.55/25,587.97
  6. Step 6: Final answer
    x = 21,396.93

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