Home / 28,659.54-42,779.69-26,548.86

Finding the Fourth Proportional to 28,659.54, 42,779.69 and 26,548.86

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Solution

The fourth proportional to 28,659.54, 42,779.69 and 26,548.86 is: 39,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.54 : 42,779.69 = 26,548.86 : x
  2. Step 2: Convert to fraction form
    28,659.54/42,779.69 = 26,548.86/x
  3. Step 3: Cross multiply
    28,659.54x = 42,779.69 × 26,548.86
  4. Step 4: Simplify right side
    28,659.54x = 1,135,752,000.65
  5. Step 5: Solve for x
    x = 1,135,752,000.65/28,659.54
  6. Step 6: Final answer
    x = 39,629.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.