Home / 17,720.76-26,549.94-15,790.14

Finding the Fourth Proportional to 17,720.76, 26,549.94 and 15,790.14

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Solution

The fourth proportional to 17,720.76, 26,549.94 and 15,790.14 is: 23,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.76 : 26,549.94 = 15,790.14 : x
  2. Step 2: Convert to fraction form
    17,720.76/26,549.94 = 15,790.14/x
  3. Step 3: Cross multiply
    17,720.76x = 26,549.94 × 15,790.14
  4. Step 4: Simplify right side
    17,720.76x = 419,227,269.59
  5. Step 5: Solve for x
    x = 419,227,269.59/17,720.76
  6. Step 6: Final answer
    x = 23,657.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.