Home / 26,863.75-40,302.46-15,779.81

Finding the Fourth Proportional to 26,863.75, 40,302.46 and 15,779.81

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Solution

The fourth proportional to 26,863.75, 40,302.46 and 15,779.81 is: 23,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,863.75 : 40,302.46 = 15,779.81 : x
  2. Step 2: Convert to fraction form
    26,863.75/40,302.46 = 15,779.81/x
  3. Step 3: Cross multiply
    26,863.75x = 40,302.46 × 15,779.81
  4. Step 4: Simplify right side
    26,863.75x = 635,965,281.81
  5. Step 5: Solve for x
    x = 635,965,281.81/26,863.75
  6. Step 6: Final answer
    x = 23,673.73

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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.