Home / 22,808.28-31,471.48-12,736.20

Finding the Fourth Proportional to 22,808.28, 31,471.48 and 12,736.20

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Solution

The fourth proportional to 22,808.28, 31,471.48 and 12,736.20 is: 17,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.28 : 31,471.48 = 12,736.20 : x
  2. Step 2: Convert to fraction form
    22,808.28/31,471.48 = 12,736.20/x
  3. Step 3: Cross multiply
    22,808.28x = 31,471.48 × 12,736.20
  4. Step 4: Simplify right side
    22,808.28x = 400,827,063.58
  5. Step 5: Solve for x
    x = 400,827,063.58/22,808.28
  6. Step 6: Final answer
    x = 17,573.75

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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.