Home / 28,852.52-43,299.84-18,988.34

Finding the Fourth Proportional to 28,852.52, 43,299.84 and 18,988.34

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Solution

The fourth proportional to 28,852.52, 43,299.84 and 18,988.34 is: 28,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.52 : 43,299.84 = 18,988.34 : x
  2. Step 2: Convert to fraction form
    28,852.52/43,299.84 = 18,988.34/x
  3. Step 3: Cross multiply
    28,852.52x = 43,299.84 × 18,988.34
  4. Step 4: Simplify right side
    28,852.52x = 822,192,083.87
  5. Step 5: Solve for x
    x = 822,192,083.87/28,852.52
  6. Step 6: Final answer
    x = 28,496.37

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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.