Home / 28,807.26-43,215.45-10,086.84

Finding the Fourth Proportional to 28,807.26, 43,215.45 and 10,086.84

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Solution

The fourth proportional to 28,807.26, 43,215.45 and 10,086.84 is: 15,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.26 : 43,215.45 = 10,086.84 : x
  2. Step 2: Convert to fraction form
    28,807.26/43,215.45 = 10,086.84/x
  3. Step 3: Cross multiply
    28,807.26x = 43,215.45 × 10,086.84
  4. Step 4: Simplify right side
    28,807.26x = 435,907,291.85
  5. Step 5: Solve for x
    x = 435,907,291.85/28,807.26
  6. Step 6: Final answer
    x = 15,131.86

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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.