Home / 26,586.71-36,689.26-15,255.96

Finding the Fourth Proportional to 26,586.71, 36,689.26 and 15,255.96

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Solution

The fourth proportional to 26,586.71, 36,689.26 and 15,255.96 is: 21,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.71 : 36,689.26 = 15,255.96 : x
  2. Step 2: Convert to fraction form
    26,586.71/36,689.26 = 15,255.96/x
  3. Step 3: Cross multiply
    26,586.71x = 36,689.26 × 15,255.96
  4. Step 4: Simplify right side
    26,586.71x = 559,729,882.99
  5. Step 5: Solve for x
    x = 559,729,882.99/26,586.71
  6. Step 6: Final answer
    x = 21,053.00

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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.