Home / 22,492.71-31,029.66-13,055.82

Finding the Fourth Proportional to 22,492.71, 31,029.66 and 13,055.82

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Solution

The fourth proportional to 22,492.71, 31,029.66 and 13,055.82 is: 18,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,492.71 : 31,029.66 = 13,055.82 : x
  2. Step 2: Convert to fraction form
    22,492.71/31,029.66 = 13,055.82/x
  3. Step 3: Cross multiply
    22,492.71x = 31,029.66 × 13,055.82
  4. Step 4: Simplify right side
    22,492.71x = 405,117,655.62
  5. Step 5: Solve for x
    x = 405,117,655.62/22,492.71
  6. Step 6: Final answer
    x = 18,011.06

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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.