Home / 42,638.27-63,966.65-16,343.03

Finding the Fourth Proportional to 42,638.27, 63,966.65 and 16,343.03

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Solution

The fourth proportional to 42,638.27, 63,966.65 and 16,343.03 is: 24,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,638.27 : 63,966.65 = 16,343.03 : x
  2. Step 2: Convert to fraction form
    42,638.27/63,966.65 = 16,343.03/x
  3. Step 3: Cross multiply
    42,638.27x = 63,966.65 × 16,343.03
  4. Step 4: Simplify right side
    42,638.27x = 1,045,408,958.15
  5. Step 5: Solve for x
    x = 1,045,408,958.15/42,638.27
  6. Step 6: Final answer
    x = 24,518.09

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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.