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Finding the Fourth Proportional to 64,266.72, 96,408.56 and 28,728.32

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Solution

The fourth proportional to 64,266.72, 96,408.56 and 28,728.32 is: 43,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,266.72 : 96,408.56 = 28,728.32 : x
  2. Step 2: Convert to fraction form
    64,266.72/96,408.56 = 28,728.32/x
  3. Step 3: Cross multiply
    64,266.72x = 96,408.56 × 28,728.32
  4. Step 4: Simplify right side
    64,266.72x = 2,769,655,962.42
  5. Step 5: Solve for x
    x = 2,769,655,962.42/64,266.72
  6. Step 6: Final answer
    x = 43,096.27

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1.5x scale

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.