Home / 26,268.75-39,403.13-7,800.75

Finding the Fourth Proportional to 26,268.75, 39,403.13 and 7,800.75

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Solution

The fourth proportional to 26,268.75, 39,403.13 and 7,800.75 is: 11,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.75 : 39,403.13 = 7,800.75 : x
  2. Step 2: Convert to fraction form
    26,268.75/39,403.13 = 7,800.75/x
  3. Step 3: Cross multiply
    26,268.75x = 39,403.13 × 7,800.75
  4. Step 4: Simplify right side
    26,268.75x = 307,373,927.34
  5. Step 5: Solve for x
    x = 307,373,927.34/26,268.75
  6. Step 6: Final answer
    x = 11,701.13

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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.