Home / 26,456.91-39,684.93-10,661.57

Finding the Fourth Proportional to 26,456.91, 39,684.93 and 10,661.57

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Solution

The fourth proportional to 26,456.91, 39,684.93 and 10,661.57 is: 15,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.91 : 39,684.93 = 10,661.57 : x
  2. Step 2: Convert to fraction form
    26,456.91/39,684.93 = 10,661.57/x
  3. Step 3: Cross multiply
    26,456.91x = 39,684.93 × 10,661.57
  4. Step 4: Simplify right side
    26,456.91x = 423,103,460.72
  5. Step 5: Solve for x
    x = 423,103,460.72/26,456.91
  6. Step 6: Final answer
    x = 15,992.17

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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.