Home / 28,713.57-43,068.03-18,152.79

Finding the Fourth Proportional to 28,713.57, 43,068.03 and 18,152.79

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Solution

The fourth proportional to 28,713.57, 43,068.03 and 18,152.79 is: 27,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.57 : 43,068.03 = 18,152.79 : x
  2. Step 2: Convert to fraction form
    28,713.57/43,068.03 = 18,152.79/x
  3. Step 3: Cross multiply
    28,713.57x = 43,068.03 × 18,152.79
  4. Step 4: Simplify right side
    28,713.57x = 781,804,836.23
  5. Step 5: Solve for x
    x = 781,804,836.23/28,713.57
  6. Step 6: Final answer
    x = 27,227.71

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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.