Home / 26,479.04-36,540.88-14,379.76

Finding the Fourth Proportional to 26,479.04, 36,540.88 and 14,379.76

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Solution

The fourth proportional to 26,479.04, 36,540.88 and 14,379.76 is: 19,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,479.04 : 36,540.88 = 14,379.76 : x
  2. Step 2: Convert to fraction form
    26,479.04/36,540.88 = 14,379.76/x
  3. Step 3: Cross multiply
    26,479.04x = 36,540.88 × 14,379.76
  4. Step 4: Simplify right side
    26,479.04x = 525,449,084.59
  5. Step 5: Solve for x
    x = 525,449,084.59/26,479.04
  6. Step 6: Final answer
    x = 19,843.96

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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.