Home / 26,310.15-39,421.49-18,502.56

Finding the Fourth Proportional to 26,310.15, 39,421.49 and 18,502.56

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Solution

The fourth proportional to 26,310.15, 39,421.49 and 18,502.56 is: 27,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.15 : 39,421.49 = 18,502.56 : x
  2. Step 2: Convert to fraction form
    26,310.15/39,421.49 = 18,502.56/x
  3. Step 3: Cross multiply
    26,310.15x = 39,421.49 × 18,502.56
  4. Step 4: Simplify right side
    26,310.15x = 729,398,391.50
  5. Step 5: Solve for x
    x = 729,398,391.50/26,310.15
  6. Step 6: Final answer
    x = 27,723.08

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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.