Home / 26,872.03-37,082.61-15,386.56

Finding the Fourth Proportional to 26,872.03, 37,082.61 and 15,386.56

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Solution

The fourth proportional to 26,872.03, 37,082.61 and 15,386.56 is: 21,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.03 : 37,082.61 = 15,386.56 : x
  2. Step 2: Convert to fraction form
    26,872.03/37,082.61 = 15,386.56/x
  3. Step 3: Cross multiply
    26,872.03x = 37,082.61 × 15,386.56
  4. Step 4: Simplify right side
    26,872.03x = 570,573,803.72
  5. Step 5: Solve for x
    x = 570,573,803.72/26,872.03
  6. Step 6: Final answer
    x = 21,233.00

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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.