Home / 26,693.28-40,040.33-7,969.12

Finding the Fourth Proportional to 26,693.28, 40,040.33 and 7,969.12

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Solution

The fourth proportional to 26,693.28, 40,040.33 and 7,969.12 is: 11,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.28 : 40,040.33 = 7,969.12 : x
  2. Step 2: Convert to fraction form
    26,693.28/40,040.33 = 7,969.12/x
  3. Step 3: Cross multiply
    26,693.28x = 40,040.33 × 7,969.12
  4. Step 4: Simplify right side
    26,693.28x = 319,086,054.66
  5. Step 5: Solve for x
    x = 319,086,054.66/26,693.28
  6. Step 6: Final answer
    x = 11,953.80

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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.