Home / 22,977.84-31,707.18-12,904

Finding the Fourth Proportional to 22,977.84, 31,707.18 and 12,904

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Solution

The fourth proportional to 22,977.84, 31,707.18 and 12,904 is: 17,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,977.84 : 31,707.18 = 12,904 : x
  2. Step 2: Convert to fraction form
    22,977.84/31,707.18 = 12,904/x
  3. Step 3: Cross multiply
    22,977.84x = 31,707.18 × 12,904
  4. Step 4: Simplify right side
    22,977.84x = 409,149,450.72
  5. Step 5: Solve for x
    x = 409,149,450.72/22,977.84
  6. Step 6: Final answer
    x = 17,806.26

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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.