Home / 26,330.85-36,333.84-15,719.04

Finding the Fourth Proportional to 26,330.85, 36,333.84 and 15,719.04

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Solution

The fourth proportional to 26,330.85, 36,333.84 and 15,719.04 is: 21,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.85 : 36,333.84 = 15,719.04 : x
  2. Step 2: Convert to fraction form
    26,330.85/36,333.84 = 15,719.04/x
  3. Step 3: Cross multiply
    26,330.85x = 36,333.84 × 15,719.04
  4. Step 4: Simplify right side
    26,330.85x = 571,133,084.31
  5. Step 5: Solve for x
    x = 571,133,084.31/26,330.85
  6. Step 6: Final answer
    x = 21,690.64

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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.