Home / 28,708.51-43,022.67-13,913.50

Finding the Fourth Proportional to 28,708.51, 43,022.67 and 13,913.50

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Solution

The fourth proportional to 28,708.51, 43,022.67 and 13,913.50 is: 20,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.51 : 43,022.67 = 13,913.50 : x
  2. Step 2: Convert to fraction form
    28,708.51/43,022.67 = 13,913.50/x
  3. Step 3: Cross multiply
    28,708.51x = 43,022.67 × 13,913.50
  4. Step 4: Simplify right side
    28,708.51x = 598,595,919.05
  5. Step 5: Solve for x
    x = 598,595,919.05/28,708.51
  6. Step 6: Final answer
    x = 20,850.82

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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.