Home / 26,311.80-36,308.27-14,979.05

Finding the Fourth Proportional to 26,311.80, 36,308.27 and 14,979.05

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Solution

The fourth proportional to 26,311.80, 36,308.27 and 14,979.05 is: 20,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.80 : 36,308.27 = 14,979.05 : x
  2. Step 2: Convert to fraction form
    26,311.80/36,308.27 = 14,979.05/x
  3. Step 3: Cross multiply
    26,311.80x = 36,308.27 × 14,979.05
  4. Step 4: Simplify right side
    26,311.80x = 543,863,247.65
  5. Step 5: Solve for x
    x = 543,863,247.65/26,311.80
  6. Step 6: Final answer
    x = 20,669.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.