Home / 26,005.80-39,018.30-8,476.20

Finding the Fourth Proportional to 26,005.80, 39,018.30 and 8,476.20

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Solution

The fourth proportional to 26,005.80, 39,018.30 and 8,476.20 is: 12,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.80 : 39,018.30 = 8,476.20 : x
  2. Step 2: Convert to fraction form
    26,005.80/39,018.30 = 8,476.20/x
  3. Step 3: Cross multiply
    26,005.80x = 39,018.30 × 8,476.20
  4. Step 4: Simplify right side
    26,005.80x = 330,726,914.46
  5. Step 5: Solve for x
    x = 330,726,914.46/26,005.80
  6. Step 6: Final answer
    x = 12,717.43

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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.