Home / 22,839.54-31,528.26-13,889.90

Finding the Fourth Proportional to 22,839.54, 31,528.26 and 13,889.90

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Solution

The fourth proportional to 22,839.54, 31,528.26 and 13,889.90 is: 19,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.54 : 31,528.26 = 13,889.90 : x
  2. Step 2: Convert to fraction form
    22,839.54/31,528.26 = 13,889.90/x
  3. Step 3: Cross multiply
    22,839.54x = 31,528.26 × 13,889.90
  4. Step 4: Simplify right side
    22,839.54x = 437,924,378.57
  5. Step 5: Solve for x
    x = 437,924,378.57/22,839.54
  6. Step 6: Final answer
    x = 19,173.96

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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.