Home / 23,157.40-31,948.58-15,204.04

Finding the Fourth Proportional to 23,157.40, 31,948.58 and 15,204.04

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Solution

The fourth proportional to 23,157.40, 31,948.58 and 15,204.04 is: 20,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.40 : 31,948.58 = 15,204.04 : x
  2. Step 2: Convert to fraction form
    23,157.40/31,948.58 = 15,204.04/x
  3. Step 3: Cross multiply
    23,157.40x = 31,948.58 × 15,204.04
  4. Step 4: Simplify right side
    23,157.40x = 485,747,488.26
  5. Step 5: Solve for x
    x = 485,747,488.26/23,157.40
  6. Step 6: Final answer
    x = 20,975.91

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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.