Home / 28,453.01-39,224.35-22,392.75

Finding the Fourth Proportional to 28,453.01, 39,224.35 and 22,392.75

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Solution

The fourth proportional to 28,453.01, 39,224.35 and 22,392.75 is: 30,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.01 : 39,224.35 = 22,392.75 : x
  2. Step 2: Convert to fraction form
    28,453.01/39,224.35 = 22,392.75/x
  3. Step 3: Cross multiply
    28,453.01x = 39,224.35 × 22,392.75
  4. Step 4: Simplify right side
    28,453.01x = 878,341,007.48
  5. Step 5: Solve for x
    x = 878,341,007.48/28,453.01
  6. Step 6: Final answer
    x = 30,869.88

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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.