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Finding the Fourth Proportional to 25,792.01, 35,599.31 and 15,726

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Solution

The fourth proportional to 25,792.01, 35,599.31 and 15,726 is: 21,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,792.01 : 35,599.31 = 15,726 : x
  2. Step 2: Convert to fraction form
    25,792.01/35,599.31 = 15,726/x
  3. Step 3: Cross multiply
    25,792.01x = 35,599.31 × 15,726
  4. Step 4: Simplify right side
    25,792.01x = 559,834,749.06
  5. Step 5: Solve for x
    x = 559,834,749.06/25,792.01
  6. Step 6: Final answer
    x = 21,705.74

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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.