Home / 43,098-64,615.32-16,439.28

Finding the Fourth Proportional to 43,098, 64,615.32 and 16,439.28

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Solution

The fourth proportional to 43,098, 64,615.32 and 16,439.28 is: 24,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098 : 64,615.32 = 16,439.28 : x
  2. Step 2: Convert to fraction form
    43,098/64,615.32 = 16,439.28/x
  3. Step 3: Cross multiply
    43,098x = 64,615.32 × 16,439.28
  4. Step 4: Simplify right side
    43,098x = 1,062,229,337.77
  5. Step 5: Solve for x
    x = 1,062,229,337.77/43,098
  6. Step 6: Final answer
    x = 24,646.84

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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.