Home / 26,663.94-39,972.12-13,509.54

Finding the Fourth Proportional to 26,663.94, 39,972.12 and 13,509.54

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Solution

The fourth proportional to 26,663.94, 39,972.12 and 13,509.54 is: 20,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.94 : 39,972.12 = 13,509.54 : x
  2. Step 2: Convert to fraction form
    26,663.94/39,972.12 = 13,509.54/x
  3. Step 3: Cross multiply
    26,663.94x = 39,972.12 × 13,509.54
  4. Step 4: Simplify right side
    26,663.94x = 540,004,954.02
  5. Step 5: Solve for x
    x = 540,004,954.02/26,663.94
  6. Step 6: Final answer
    x = 20,252.26

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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.