Home / 42,289.28-63,433.92-17,648

Finding the Fourth Proportional to 42,289.28, 63,433.92 and 17,648

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Solution

The fourth proportional to 42,289.28, 63,433.92 and 17,648 is: 26,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.28 : 63,433.92 = 17,648 : x
  2. Step 2: Convert to fraction form
    42,289.28/63,433.92 = 17,648/x
  3. Step 3: Cross multiply
    42,289.28x = 63,433.92 × 17,648
  4. Step 4: Simplify right side
    42,289.28x = 1,119,481,820.16
  5. Step 5: Solve for x
    x = 1,119,481,820.16/42,289.28
  6. Step 6: Final answer
    x = 26,472.00

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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.