Home / 26,245.76-39,368.16-18,489.12

Finding the Fourth Proportional to 26,245.76, 39,368.16 and 18,489.12

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Solution

The fourth proportional to 26,245.76, 39,368.16 and 18,489.12 is: 27,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,245.76 : 39,368.16 = 18,489.12 : x
  2. Step 2: Convert to fraction form
    26,245.76/39,368.16 = 18,489.12/x
  3. Step 3: Cross multiply
    26,245.76x = 39,368.16 × 18,489.12
  4. Step 4: Simplify right side
    26,245.76x = 727,882,634.42
  5. Step 5: Solve for x
    x = 727,882,634.42/26,245.76
  6. Step 6: Final answer
    x = 27,733.34

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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.