Home / 26,391.37-39,590.70-8,866.21

Finding the Fourth Proportional to 26,391.37, 39,590.70 and 8,866.21

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Solution

The fourth proportional to 26,391.37, 39,590.70 and 8,866.21 is: 13,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.37 : 39,590.70 = 8,866.21 : x
  2. Step 2: Convert to fraction form
    26,391.37/39,590.70 = 8,866.21/x
  3. Step 3: Cross multiply
    26,391.37x = 39,590.70 × 8,866.21
  4. Step 4: Simplify right side
    26,391.37x = 351,019,460.25
  5. Step 5: Solve for x
    x = 351,019,460.25/26,391.37
  6. Step 6: Final answer
    x = 13,300.54

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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.