Home / 26,828.13-40,242.19-8,360.13

Finding the Fourth Proportional to 26,828.13, 40,242.19 and 8,360.13

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Solution

The fourth proportional to 26,828.13, 40,242.19 and 8,360.13 is: 12,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,828.13 : 40,242.19 = 8,360.13 : x
  2. Step 2: Convert to fraction form
    26,828.13/40,242.19 = 8,360.13/x
  3. Step 3: Cross multiply
    26,828.13x = 40,242.19 × 8,360.13
  4. Step 4: Simplify right side
    26,828.13x = 336,429,939.88
  5. Step 5: Solve for x
    x = 336,429,939.88/26,828.13
  6. Step 6: Final answer
    x = 12,540.19

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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.