Home / 22,597.20-31,163.81-15,423.84

Finding the Fourth Proportional to 22,597.20, 31,163.81 and 15,423.84

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Solution

The fourth proportional to 22,597.20, 31,163.81 and 15,423.84 is: 21,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,597.20 : 31,163.81 = 15,423.84 : x
  2. Step 2: Convert to fraction form
    22,597.20/31,163.81 = 15,423.84/x
  3. Step 3: Cross multiply
    22,597.20x = 31,163.81 × 15,423.84
  4. Step 4: Simplify right side
    22,597.20x = 480,665,542.11
  5. Step 5: Solve for x
    x = 480,665,542.11/22,597.20
  6. Step 6: Final answer
    x = 21,271.02

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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.