Home / 28,779.96-43,072.41-17,693.70

Finding the Fourth Proportional to 28,779.96, 43,072.41 and 17,693.70

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Solution

The fourth proportional to 28,779.96, 43,072.41 and 17,693.70 is: 26,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.96 : 43,072.41 = 17,693.70 : x
  2. Step 2: Convert to fraction form
    28,779.96/43,072.41 = 17,693.70/x
  3. Step 3: Cross multiply
    28,779.96x = 43,072.41 × 17,693.70
  4. Step 4: Simplify right side
    28,779.96x = 762,110,300.82
  5. Step 5: Solve for x
    x = 762,110,300.82/28,779.96
  6. Step 6: Final answer
    x = 26,480.59

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1.5x scale

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.