Home / 17,870.88-26,797.64-5,388.58

Finding the Fourth Proportional to 17,870.88, 26,797.64 and 5,388.58

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Solution

The fourth proportional to 17,870.88, 26,797.64 and 5,388.58 is: 8,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.88 : 26,797.64 = 5,388.58 : x
  2. Step 2: Convert to fraction form
    17,870.88/26,797.64 = 5,388.58/x
  3. Step 3: Cross multiply
    17,870.88x = 26,797.64 × 5,388.58
  4. Step 4: Simplify right side
    17,870.88x = 144,401,082.77
  5. Step 5: Solve for x
    x = 144,401,082.77/17,870.88
  6. Step 6: Final answer
    x = 8,080.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.