Home / 28,713.08-43,076.51-13,904.70

Finding the Fourth Proportional to 28,713.08, 43,076.51 and 13,904.70

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Solution

The fourth proportional to 28,713.08, 43,076.51 and 13,904.70 is: 20,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.08 : 43,076.51 = 13,904.70 : x
  2. Step 2: Convert to fraction form
    28,713.08/43,076.51 = 13,904.70/x
  3. Step 3: Cross multiply
    28,713.08x = 43,076.51 × 13,904.70
  4. Step 4: Simplify right side
    28,713.08x = 598,965,769.68
  5. Step 5: Solve for x
    x = 598,965,769.68/28,713.08
  6. Step 6: Final answer
    x = 20,860.38

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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.