Home / 17,813.76-26,720.64-10,028.16

Finding the Fourth Proportional to 17,813.76, 26,720.64 and 10,028.16

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Solution

The fourth proportional to 17,813.76, 26,720.64 and 10,028.16 is: 15,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.76 : 26,720.64 = 10,028.16 : x
  2. Step 2: Convert to fraction form
    17,813.76/26,720.64 = 10,028.16/x
  3. Step 3: Cross multiply
    17,813.76x = 26,720.64 × 10,028.16
  4. Step 4: Simplify right side
    17,813.76x = 267,958,853.22
  5. Step 5: Solve for x
    x = 267,958,853.22/17,813.76
  6. Step 6: Final answer
    x = 15,042.24

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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.