Home / 26,321.72-36,313.12-18,368.56

Finding the Fourth Proportional to 26,321.72, 36,313.12 and 18,368.56

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Solution

The fourth proportional to 26,321.72, 36,313.12 and 18,368.56 is: 25,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.72 : 36,313.12 = 18,368.56 : x
  2. Step 2: Convert to fraction form
    26,321.72/36,313.12 = 18,368.56/x
  3. Step 3: Cross multiply
    26,321.72x = 36,313.12 × 18,368.56
  4. Step 4: Simplify right side
    26,321.72x = 667,019,723.51
  5. Step 5: Solve for x
    x = 667,019,723.51/26,321.72
  6. Step 6: Final answer
    x = 25,341.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.