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Finding the Fourth Proportional to 35,422.94, 53,101.01 and 17,636.81

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Solution

The fourth proportional to 35,422.94, 53,101.01 and 17,636.81 is: 26,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.94 : 53,101.01 = 17,636.81 : x
  2. Step 2: Convert to fraction form
    35,422.94/53,101.01 = 17,636.81/x
  3. Step 3: Cross multiply
    35,422.94x = 53,101.01 × 17,636.81
  4. Step 4: Simplify right side
    35,422.94x = 936,532,202.77
  5. Step 5: Solve for x
    x = 936,532,202.77/35,422.94
  6. Step 6: Final answer
    x = 26,438.58

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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.