Home / 26,173.86-39,264.03-8,638.98

Finding the Fourth Proportional to 26,173.86, 39,264.03 and 8,638.98

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Solution

The fourth proportional to 26,173.86, 39,264.03 and 8,638.98 is: 12,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,173.86 : 39,264.03 = 8,638.98 : x
  2. Step 2: Convert to fraction form
    26,173.86/39,264.03 = 8,638.98/x
  3. Step 3: Cross multiply
    26,173.86x = 39,264.03 × 8,638.98
  4. Step 4: Simplify right side
    26,173.86x = 339,201,169.89
  5. Step 5: Solve for x
    x = 339,201,169.89/26,173.86
  6. Step 6: Final answer
    x = 12,959.54

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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.