Home / 64,428.48-96,645.60-17,681.76

Finding the Fourth Proportional to 64,428.48, 96,645.60 and 17,681.76

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Solution

The fourth proportional to 64,428.48, 96,645.60 and 17,681.76 is: 26,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.48 : 96,645.60 = 17,681.76 : x
  2. Step 2: Convert to fraction form
    64,428.48/96,645.60 = 17,681.76/x
  3. Step 3: Cross multiply
    64,428.48x = 96,645.60 × 17,681.76
  4. Step 4: Simplify right side
    64,428.48x = 1,708,864,304.26
  5. Step 5: Solve for x
    x = 1,708,864,304.26/64,428.48
  6. Step 6: Final answer
    x = 26,523.43

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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.