Home / 28,825.10-43,253.85-15,678.39

Finding the Fourth Proportional to 28,825.10, 43,253.85 and 15,678.39

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Solution

The fourth proportional to 28,825.10, 43,253.85 and 15,678.39 is: 23,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.10 : 43,253.85 = 15,678.39 : x
  2. Step 2: Convert to fraction form
    28,825.10/43,253.85 = 15,678.39/x
  3. Step 3: Cross multiply
    28,825.10x = 43,253.85 × 15,678.39
  4. Step 4: Simplify right side
    28,825.10x = 678,150,729.30
  5. Step 5: Solve for x
    x = 678,150,729.30/28,825.10
  6. Step 6: Final answer
    x = 23,526.40

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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.