Home / 17,418.93-26,128.40-7,028.25

Finding the Fourth Proportional to 17,418.93, 26,128.40 and 7,028.25

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Solution

The fourth proportional to 17,418.93, 26,128.40 and 7,028.25 is: 10,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.93 : 26,128.40 = 7,028.25 : x
  2. Step 2: Convert to fraction form
    17,418.93/26,128.40 = 7,028.25/x
  3. Step 3: Cross multiply
    17,418.93x = 26,128.40 × 7,028.25
  4. Step 4: Simplify right side
    17,418.93x = 183,636,892.16
  5. Step 5: Solve for x
    x = 183,636,892.16/17,418.93
  6. Step 6: Final answer
    x = 10,542.38

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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.