Home / 26,394.24-36,426.24-21,665.28

Finding the Fourth Proportional to 26,394.24, 36,426.24 and 21,665.28

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Solution

The fourth proportional to 26,394.24, 36,426.24 and 21,665.28 is: 29,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.24 : 36,426.24 = 21,665.28 : x
  2. Step 2: Convert to fraction form
    26,394.24/36,426.24 = 21,665.28/x
  3. Step 3: Cross multiply
    26,394.24x = 36,426.24 × 21,665.28
  4. Step 4: Simplify right side
    26,394.24x = 789,184,688.95
  5. Step 5: Solve for x
    x = 789,184,688.95/26,394.24
  6. Step 6: Final answer
    x = 29,899.88

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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.