Home / 17,415.80-26,121.24-5,727.50

Finding the Fourth Proportional to 17,415.80, 26,121.24 and 5,727.50

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Solution

The fourth proportional to 17,415.80, 26,121.24 and 5,727.50 is: 8,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.80 : 26,121.24 = 5,727.50 : x
  2. Step 2: Convert to fraction form
    17,415.80/26,121.24 = 5,727.50/x
  3. Step 3: Cross multiply
    17,415.80x = 26,121.24 × 5,727.50
  4. Step 4: Simplify right side
    17,415.80x = 149,609,402.10
  5. Step 5: Solve for x
    x = 149,609,402.10/17,415.80
  6. Step 6: Final answer
    x = 8,590.44

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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.