Home / 23,052.03-31,812.21-13,620.57

Finding the Fourth Proportional to 23,052.03, 31,812.21 and 13,620.57

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Solution

The fourth proportional to 23,052.03, 31,812.21 and 13,620.57 is: 18,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.03 : 31,812.21 = 13,620.57 : x
  2. Step 2: Convert to fraction form
    23,052.03/31,812.21 = 13,620.57/x
  3. Step 3: Cross multiply
    23,052.03x = 31,812.21 × 13,620.57
  4. Step 4: Simplify right side
    23,052.03x = 433,300,433.16
  5. Step 5: Solve for x
    x = 433,300,433.16/23,052.03
  6. Step 6: Final answer
    x = 18,796.63

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1.5x scale

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.