Home / 23,190.62-31,988.49-13,752.50

Finding the Fourth Proportional to 23,190.62, 31,988.49 and 13,752.50

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Solution

The fourth proportional to 23,190.62, 31,988.49 and 13,752.50 is: 18,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.62 : 31,988.49 = 13,752.50 : x
  2. Step 2: Convert to fraction form
    23,190.62/31,988.49 = 13,752.50/x
  3. Step 3: Cross multiply
    23,190.62x = 31,988.49 × 13,752.50
  4. Step 4: Simplify right side
    23,190.62x = 439,921,708.73
  5. Step 5: Solve for x
    x = 439,921,708.73/23,190.62
  6. Step 6: Final answer
    x = 18,969.81

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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.