Home / 26,210.54-39,321.48-8,679.74

Finding the Fourth Proportional to 26,210.54, 39,321.48 and 8,679.74

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Solution

The fourth proportional to 26,210.54, 39,321.48 and 8,679.74 is: 13,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,210.54 : 39,321.48 = 8,679.74 : x
  2. Step 2: Convert to fraction form
    26,210.54/39,321.48 = 8,679.74/x
  3. Step 3: Cross multiply
    26,210.54x = 39,321.48 × 8,679.74
  4. Step 4: Simplify right side
    26,210.54x = 341,300,222.82
  5. Step 5: Solve for x
    x = 341,300,222.82/26,210.54
  6. Step 6: Final answer
    x = 13,021.49

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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.