Home / 28,938.24-43,409.52-12,296.40

Finding the Fourth Proportional to 28,938.24, 43,409.52 and 12,296.40

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Solution

The fourth proportional to 28,938.24, 43,409.52 and 12,296.40 is: 18,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.24 : 43,409.52 = 12,296.40 : x
  2. Step 2: Convert to fraction form
    28,938.24/43,409.52 = 12,296.40/x
  3. Step 3: Cross multiply
    28,938.24x = 43,409.52 × 12,296.40
  4. Step 4: Simplify right side
    28,938.24x = 533,780,821.73
  5. Step 5: Solve for x
    x = 533,780,821.73/28,938.24
  6. Step 6: Final answer
    x = 18,445.52

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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.