Home / 26,019.54-39,033.36-8,485.28

Finding the Fourth Proportional to 26,019.54, 39,033.36 and 8,485.28

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Solution

The fourth proportional to 26,019.54, 39,033.36 and 8,485.28 is: 12,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.54 : 39,033.36 = 8,485.28 : x
  2. Step 2: Convert to fraction form
    26,019.54/39,033.36 = 8,485.28/x
  3. Step 3: Cross multiply
    26,019.54x = 39,033.36 × 8,485.28
  4. Step 4: Simplify right side
    26,019.54x = 331,208,988.94
  5. Step 5: Solve for x
    x = 331,208,988.94/26,019.54
  6. Step 6: Final answer
    x = 12,729.24

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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.