Home / 26,664.38-40,018.23-13,520.51

Finding the Fourth Proportional to 26,664.38, 40,018.23 and 13,520.51

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Solution

The fourth proportional to 26,664.38, 40,018.23 and 13,520.51 is: 20,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.38 : 40,018.23 = 13,520.51 : x
  2. Step 2: Convert to fraction form
    26,664.38/40,018.23 = 13,520.51/x
  3. Step 3: Cross multiply
    26,664.38x = 40,018.23 × 13,520.51
  4. Step 4: Simplify right side
    26,664.38x = 541,066,678.81
  5. Step 5: Solve for x
    x = 541,066,678.81/26,664.38
  6. Step 6: Final answer
    x = 20,291.74

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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.