Home / 31,273.20-43,157.16-17,127.36

Finding the Fourth Proportional to 31,273.20, 43,157.16 and 17,127.36

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Solution

The fourth proportional to 31,273.20, 43,157.16 and 17,127.36 is: 23,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.20 : 43,157.16 = 17,127.36 : x
  2. Step 2: Convert to fraction form
    31,273.20/43,157.16 = 17,127.36/x
  3. Step 3: Cross multiply
    31,273.20x = 43,157.16 × 17,127.36
  4. Step 4: Simplify right side
    31,273.20x = 739,168,215.90
  5. Step 5: Solve for x
    x = 739,168,215.90/31,273.20
  6. Step 6: Final answer
    x = 23,635.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.