Home / 17,515.96-26,171.33-16,903.48

Finding the Fourth Proportional to 17,515.96, 26,171.33 and 16,903.48

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Solution

The fourth proportional to 17,515.96, 26,171.33 and 16,903.48 is: 25,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.96 : 26,171.33 = 16,903.48 : x
  2. Step 2: Convert to fraction form
    17,515.96/26,171.33 = 16,903.48/x
  3. Step 3: Cross multiply
    17,515.96x = 26,171.33 × 16,903.48
  4. Step 4: Simplify right side
    17,515.96x = 442,386,553.23
  5. Step 5: Solve for x
    x = 442,386,553.23/17,515.96
  6. Step 6: Final answer
    x = 25,256.20

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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.