Home / 23,012-31,743.60-15,052.40

Finding the Fourth Proportional to 23,012, 31,743.60 and 15,052.40

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Solution

The fourth proportional to 23,012, 31,743.60 and 15,052.40 is: 20,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012 : 31,743.60 = 15,052.40 : x
  2. Step 2: Convert to fraction form
    23,012/31,743.60 = 15,052.40/x
  3. Step 3: Cross multiply
    23,012x = 31,743.60 × 15,052.40
  4. Step 4: Simplify right side
    23,012x = 477,817,364.64
  5. Step 5: Solve for x
    x = 477,817,364.64/23,012
  6. Step 6: Final answer
    x = 20,763.83

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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.