Home / 28,464.08-42,652.92-15,979.28

Finding the Fourth Proportional to 28,464.08, 42,652.92 and 15,979.28

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Solution

The fourth proportional to 28,464.08, 42,652.92 and 15,979.28 is: 23,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.08 : 42,652.92 = 15,979.28 : x
  2. Step 2: Convert to fraction form
    28,464.08/42,652.92 = 15,979.28/x
  3. Step 3: Cross multiply
    28,464.08x = 42,652.92 × 15,979.28
  4. Step 4: Simplify right side
    28,464.08x = 681,562,951.50
  5. Step 5: Solve for x
    x = 681,562,951.50/28,464.08
  6. Step 6: Final answer
    x = 23,944.67

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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.