Home / 29,368.43-40,527.40-15,939.41

Finding the Fourth Proportional to 29,368.43, 40,527.40 and 15,939.41

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Solution

The fourth proportional to 29,368.43, 40,527.40 and 15,939.41 is: 21,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.43 : 40,527.40 = 15,939.41 : x
  2. Step 2: Convert to fraction form
    29,368.43/40,527.40 = 15,939.41/x
  3. Step 3: Cross multiply
    29,368.43x = 40,527.40 × 15,939.41
  4. Step 4: Simplify right side
    29,368.43x = 645,982,804.99
  5. Step 5: Solve for x
    x = 645,982,804.99/29,368.43
  6. Step 6: Final answer
    x = 21,995.83

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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.