Home / 17,415.36-26,126.88-5,728.08

Finding the Fourth Proportional to 17,415.36, 26,126.88 and 5,728.08

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Solution

The fourth proportional to 17,415.36, 26,126.88 and 5,728.08 is: 8,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.36 : 26,126.88 = 5,728.08 : x
  2. Step 2: Convert to fraction form
    17,415.36/26,126.88 = 5,728.08/x
  3. Step 3: Cross multiply
    17,415.36x = 26,126.88 × 5,728.08
  4. Step 4: Simplify right side
    17,415.36x = 149,656,858.79
  5. Step 5: Solve for x
    x = 149,656,858.79/17,415.36
  6. Step 6: Final answer
    x = 8,593.38

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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.