Home / 28,733.49-43,100.15-9,013.55

Finding the Fourth Proportional to 28,733.49, 43,100.15 and 9,013.55

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Solution

The fourth proportional to 28,733.49, 43,100.15 and 9,013.55 is: 13,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.49 : 43,100.15 = 9,013.55 : x
  2. Step 2: Convert to fraction form
    28,733.49/43,100.15 = 9,013.55/x
  3. Step 3: Cross multiply
    28,733.49x = 43,100.15 × 9,013.55
  4. Step 4: Simplify right side
    28,733.49x = 388,485,096.46
  5. Step 5: Solve for x
    x = 388,485,096.46/28,733.49
  6. Step 6: Final answer
    x = 13,520.29

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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.