Home / 28,733.56-43,100.26-7,957

Finding the Fourth Proportional to 28,733.56, 43,100.26 and 7,957

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Solution

The fourth proportional to 28,733.56, 43,100.26 and 7,957 is: 11,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.56 : 43,100.26 = 7,957 : x
  2. Step 2: Convert to fraction form
    28,733.56/43,100.26 = 7,957/x
  3. Step 3: Cross multiply
    28,733.56x = 43,100.26 × 7,957
  4. Step 4: Simplify right side
    28,733.56x = 342,948,768.82
  5. Step 5: Solve for x
    x = 342,948,768.82/28,733.56
  6. Step 6: Final answer
    x = 11,935.48

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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.