Home / 28,733.40-43,086.21-10,012.99

Finding the Fourth Proportional to 28,733.40, 43,086.21 and 10,012.99

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Solution

The fourth proportional to 28,733.40, 43,086.21 and 10,012.99 is: 15,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.40 : 43,086.21 = 10,012.99 : x
  2. Step 2: Convert to fraction form
    28,733.40/43,086.21 = 10,012.99/x
  3. Step 3: Cross multiply
    28,733.40x = 43,086.21 × 10,012.99
  4. Step 4: Simplify right side
    28,733.40x = 431,421,789.87
  5. Step 5: Solve for x
    x = 431,421,789.87/28,733.40
  6. Step 6: Final answer
    x = 15,014.65

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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.