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Finding the Fourth Proportional to 64,017.76, 96,028.40 and 17,270.52

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Solution

The fourth proportional to 64,017.76, 96,028.40 and 17,270.52 is: 25,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,017.76 : 96,028.40 = 17,270.52 : x
  2. Step 2: Convert to fraction form
    64,017.76/96,028.40 = 17,270.52/x
  3. Step 3: Cross multiply
    64,017.76x = 96,028.40 × 17,270.52
  4. Step 4: Simplify right side
    64,017.76x = 1,658,460,402.77
  5. Step 5: Solve for x
    x = 1,658,460,402.77/64,017.76
  6. Step 6: Final answer
    x = 25,906.25

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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.