Home / 42,270.28-63,433.11-15,975.03

Finding the Fourth Proportional to 42,270.28, 63,433.11 and 15,975.03

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Solution

The fourth proportional to 42,270.28, 63,433.11 and 15,975.03 is: 23,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,270.28 : 63,433.11 = 15,975.03 : x
  2. Step 2: Convert to fraction form
    42,270.28/63,433.11 = 15,975.03/x
  3. Step 3: Cross multiply
    42,270.28x = 63,433.11 × 15,975.03
  4. Step 4: Simplify right side
    42,270.28x = 1,013,345,676.66
  5. Step 5: Solve for x
    x = 1,013,345,676.66/42,270.28
  6. Step 6: Final answer
    x = 23,973.00

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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.