Home / 22,820.52-31,492.08-13,387.26

Finding the Fourth Proportional to 22,820.52, 31,492.08 and 13,387.26

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Solution

The fourth proportional to 22,820.52, 31,492.08 and 13,387.26 is: 18,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.52 : 31,492.08 = 13,387.26 : x
  2. Step 2: Convert to fraction form
    22,820.52/31,492.08 = 13,387.26/x
  3. Step 3: Cross multiply
    22,820.52x = 31,492.08 × 13,387.26
  4. Step 4: Simplify right side
    22,820.52x = 421,592,662.90
  5. Step 5: Solve for x
    x = 421,592,662.90/22,820.52
  6. Step 6: Final answer
    x = 18,474.28

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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.