Home / 22,899.28-31,591.74-13,939.60

Finding the Fourth Proportional to 22,899.28, 31,591.74 and 13,939.60

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Solution

The fourth proportional to 22,899.28, 31,591.74 and 13,939.60 is: 19,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.28 : 31,591.74 = 13,939.60 : x
  2. Step 2: Convert to fraction form
    22,899.28/31,591.74 = 13,939.60/x
  3. Step 3: Cross multiply
    22,899.28x = 31,591.74 × 13,939.60
  4. Step 4: Simplify right side
    22,899.28x = 440,376,218.90
  5. Step 5: Solve for x
    x = 440,376,218.90/22,899.28
  6. Step 6: Final answer
    x = 19,231.01

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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.