Home / 26,106.72-39,164.16-8,572.56

Finding the Fourth Proportional to 26,106.72, 39,164.16 and 8,572.56

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Solution

The fourth proportional to 26,106.72, 39,164.16 and 8,572.56 is: 12,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.72 : 39,164.16 = 8,572.56 : x
  2. Step 2: Convert to fraction form
    26,106.72/39,164.16 = 8,572.56/x
  3. Step 3: Cross multiply
    26,106.72x = 39,164.16 × 8,572.56
  4. Step 4: Simplify right side
    26,106.72x = 335,737,111.45
  5. Step 5: Solve for x
    x = 335,737,111.45/26,106.72
  6. Step 6: Final answer
    x = 12,860.18

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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.