Home / 42,392.88-63,579.60-19,026

Finding the Fourth Proportional to 42,392.88, 63,579.60 and 19,026

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Solution

The fourth proportional to 42,392.88, 63,579.60 and 19,026 is: 28,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,392.88 : 63,579.60 = 19,026 : x
  2. Step 2: Convert to fraction form
    42,392.88/63,579.60 = 19,026/x
  3. Step 3: Cross multiply
    42,392.88x = 63,579.60 × 19,026
  4. Step 4: Simplify right side
    42,392.88x = 1,209,665,469.60
  5. Step 5: Solve for x
    x = 1,209,665,469.60/42,392.88
  6. Step 6: Final answer
    x = 28,534.64

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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.