Home / 29,327.31-40,471.74-15,898.44

Finding the Fourth Proportional to 29,327.31, 40,471.74 and 15,898.44

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Solution

The fourth proportional to 29,327.31, 40,471.74 and 15,898.44 is: 21,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,327.31 : 40,471.74 = 15,898.44 : x
  2. Step 2: Convert to fraction form
    29,327.31/40,471.74 = 15,898.44/x
  3. Step 3: Cross multiply
    29,327.31x = 40,471.74 × 15,898.44
  4. Step 4: Simplify right side
    29,327.31x = 643,437,530.09
  5. Step 5: Solve for x
    x = 643,437,530.09/29,327.31
  6. Step 6: Final answer
    x = 21,939.88

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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.