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Finding the Fourth Proportional to 17,548.88, 26,211.24 and 15,880.41

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Solution

The fourth proportional to 17,548.88, 26,211.24 and 15,880.41 is: 23,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,548.88 : 26,211.24 = 15,880.41 : x
  2. Step 2: Convert to fraction form
    17,548.88/26,211.24 = 15,880.41/x
  3. Step 3: Cross multiply
    17,548.88x = 26,211.24 × 15,880.41
  4. Step 4: Simplify right side
    17,548.88x = 416,245,237.81
  5. Step 5: Solve for x
    x = 416,245,237.81/17,548.88
  6. Step 6: Final answer
    x = 23,719.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.