Home / 42,107.99-63,143.48-15,794.28

Finding the Fourth Proportional to 42,107.99, 63,143.48 and 15,794.28

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Solution

The fourth proportional to 42,107.99, 63,143.48 and 15,794.28 is: 23,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.99 : 63,143.48 = 15,794.28 : x
  2. Step 2: Convert to fraction form
    42,107.99/63,143.48 = 15,794.28/x
  3. Step 3: Cross multiply
    42,107.99x = 63,143.48 × 15,794.28
  4. Step 4: Simplify right side
    42,107.99x = 997,305,842.78
  5. Step 5: Solve for x
    x = 997,305,842.78/42,107.99
  6. Step 6: Final answer
    x = 23,684.48

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1.5x scale

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.