Home / 26,426.21-39,637.26-12,382.56

Finding the Fourth Proportional to 26,426.21, 39,637.26 and 12,382.56

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Solution

The fourth proportional to 26,426.21, 39,637.26 and 12,382.56 is: 18,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.21 : 39,637.26 = 12,382.56 : x
  2. Step 2: Convert to fraction form
    26,426.21/39,637.26 = 12,382.56/x
  3. Step 3: Cross multiply
    26,426.21x = 39,637.26 × 12,382.56
  4. Step 4: Simplify right side
    26,426.21x = 490,810,750.19
  5. Step 5: Solve for x
    x = 490,810,750.19/26,426.21
  6. Step 6: Final answer
    x = 18,572.88

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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.