Home / 22,564.30-31,138.35-12,492.52

Finding the Fourth Proportional to 22,564.30, 31,138.35 and 12,492.52

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Solution

The fourth proportional to 22,564.30, 31,138.35 and 12,492.52 is: 17,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,564.30 : 31,138.35 = 12,492.52 : x
  2. Step 2: Convert to fraction form
    22,564.30/31,138.35 = 12,492.52/x
  3. Step 3: Cross multiply
    22,564.30x = 31,138.35 × 12,492.52
  4. Step 4: Simplify right side
    22,564.30x = 388,996,460.14
  5. Step 5: Solve for x
    x = 388,996,460.14/22,564.30
  6. Step 6: Final answer
    x = 17,239.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.