Home / 23,157.44-31,961.76-18,111.68

Finding the Fourth Proportional to 23,157.44, 31,961.76 and 18,111.68

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Solution

The fourth proportional to 23,157.44, 31,961.76 and 18,111.68 is: 24,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.44 : 31,961.76 = 18,111.68 : x
  2. Step 2: Convert to fraction form
    23,157.44/31,961.76 = 18,111.68/x
  3. Step 3: Cross multiply
    23,157.44x = 31,961.76 × 18,111.68
  4. Step 4: Simplify right side
    23,157.44x = 578,881,169.36
  5. Step 5: Solve for x
    x = 578,881,169.36/23,157.44
  6. Step 6: Final answer
    x = 24,997.63

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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.