Home / 29,326.96-40,471.40-15,898.28

Finding the Fourth Proportional to 29,326.96, 40,471.40 and 15,898.28

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Solution

The fourth proportional to 29,326.96, 40,471.40 and 15,898.28 is: 21,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.96 : 40,471.40 = 15,898.28 : x
  2. Step 2: Convert to fraction form
    29,326.96/40,471.40 = 15,898.28/x
  3. Step 3: Cross multiply
    29,326.96x = 40,471.40 × 15,898.28
  4. Step 4: Simplify right side
    29,326.96x = 643,425,649.19
  5. Step 5: Solve for x
    x = 643,425,649.19/29,326.96
  6. Step 6: Final answer
    x = 21,939.73

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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.