Home / 29,368.34-40,528.35-15,939.59

Finding the Fourth Proportional to 29,368.34, 40,528.35 and 15,939.59

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Solution

The fourth proportional to 29,368.34, 40,528.35 and 15,939.59 is: 21,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.34 : 40,528.35 = 15,939.59 : x
  2. Step 2: Convert to fraction form
    29,368.34/40,528.35 = 15,939.59/x
  3. Step 3: Cross multiply
    29,368.34x = 40,528.35 × 15,939.59
  4. Step 4: Simplify right side
    29,368.34x = 646,005,202.68
  5. Step 5: Solve for x
    x = 646,005,202.68/29,368.34
  6. Step 6: Final answer
    x = 21,996.65

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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.