Home / 22,704.94-31,328.12-13,271.68

Finding the Fourth Proportional to 22,704.94, 31,328.12 and 13,271.68

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Solution

The fourth proportional to 22,704.94, 31,328.12 and 13,271.68 is: 18,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.94 : 31,328.12 = 13,271.68 : x
  2. Step 2: Convert to fraction form
    22,704.94/31,328.12 = 13,271.68/x
  3. Step 3: Cross multiply
    22,704.94x = 31,328.12 × 13,271.68
  4. Step 4: Simplify right side
    22,704.94x = 415,776,560.64
  5. Step 5: Solve for x
    x = 415,776,560.64/22,704.94
  6. Step 6: Final answer
    x = 18,312.17

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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.