Home / 26,580.88-39,871.49-6,859.61

Finding the Fourth Proportional to 26,580.88, 39,871.49 and 6,859.61

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Solution

The fourth proportional to 26,580.88, 39,871.49 and 6,859.61 is: 10,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.88 : 39,871.49 = 6,859.61 : x
  2. Step 2: Convert to fraction form
    26,580.88/39,871.49 = 6,859.61/x
  3. Step 3: Cross multiply
    26,580.88x = 39,871.49 × 6,859.61
  4. Step 4: Simplify right side
    26,580.88x = 273,502,689.31
  5. Step 5: Solve for x
    x = 273,502,689.31/26,580.88
  6. Step 6: Final answer
    x = 10,289.45

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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.