Home / 17,727.30-26,587.22-7,860.28

Finding the Fourth Proportional to 17,727.30, 26,587.22 and 7,860.28

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Solution

The fourth proportional to 17,727.30, 26,587.22 and 7,860.28 is: 11,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.30 : 26,587.22 = 7,860.28 : x
  2. Step 2: Convert to fraction form
    17,727.30/26,587.22 = 7,860.28/x
  3. Step 3: Cross multiply
    17,727.30x = 26,587.22 × 7,860.28
  4. Step 4: Simplify right side
    17,727.30x = 208,982,993.62
  5. Step 5: Solve for x
    x = 208,982,993.62/17,727.30
  6. Step 6: Final answer
    x = 11,788.77

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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.