Home / 42,428.40-63,651.78-16,133.64

Finding the Fourth Proportional to 42,428.40, 63,651.78 and 16,133.64

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Solution

The fourth proportional to 42,428.40, 63,651.78 and 16,133.64 is: 24,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,428.40 : 63,651.78 = 16,133.64 : x
  2. Step 2: Convert to fraction form
    42,428.40/63,651.78 = 16,133.64/x
  3. Step 3: Cross multiply
    42,428.40x = 63,651.78 × 16,133.64
  4. Step 4: Simplify right side
    42,428.40x = 1,026,934,903.88
  5. Step 5: Solve for x
    x = 1,026,934,903.88/42,428.40
  6. Step 6: Final answer
    x = 24,203.95

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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.