Home / 26,202.35-36,153.63-15,589.91

Finding the Fourth Proportional to 26,202.35, 36,153.63 and 15,589.91

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Solution

The fourth proportional to 26,202.35, 36,153.63 and 15,589.91 is: 21,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,202.35 : 36,153.63 = 15,589.91 : x
  2. Step 2: Convert to fraction form
    26,202.35/36,153.63 = 15,589.91/x
  3. Step 3: Cross multiply
    26,202.35x = 36,153.63 × 15,589.91
  4. Step 4: Simplify right side
    26,202.35x = 563,631,657.11
  5. Step 5: Solve for x
    x = 563,631,657.11/26,202.35
  6. Step 6: Final answer
    x = 21,510.73

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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.