Home / 28,852.28-43,283.28-13,269.50

Finding the Fourth Proportional to 28,852.28, 43,283.28 and 13,269.50

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Solution

The fourth proportional to 28,852.28, 43,283.28 and 13,269.50 is: 19,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,852.28 : 43,283.28 = 13,269.50 : x
  2. Step 2: Convert to fraction form
    28,852.28/43,283.28 = 13,269.50/x
  3. Step 3: Cross multiply
    28,852.28x = 43,283.28 × 13,269.50
  4. Step 4: Simplify right side
    28,852.28x = 574,347,483.96
  5. Step 5: Solve for x
    x = 574,347,483.96/28,852.28
  6. Step 6: Final answer
    x = 19,906.49

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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.