Home / 64,845.28-97,266-26,890.72

Finding the Fourth Proportional to 64,845.28, 97,266 and 26,890.72

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Solution

The fourth proportional to 64,845.28, 97,266 and 26,890.72 is: 40,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.28 : 97,266 = 26,890.72 : x
  2. Step 2: Convert to fraction form
    64,845.28/97,266 = 26,890.72/x
  3. Step 3: Cross multiply
    64,845.28x = 97,266 × 26,890.72
  4. Step 4: Simplify right side
    64,845.28x = 2,615,552,771.52
  5. Step 5: Solve for x
    x = 2,615,552,771.52/64,845.28
  6. Step 6: Final answer
    x = 40,335.28

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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.