Home / 26,111.79-39,173.36-8,580.96

Finding the Fourth Proportional to 26,111.79, 39,173.36 and 8,580.96

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Solution

The fourth proportional to 26,111.79, 39,173.36 and 8,580.96 is: 12,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.79 : 39,173.36 = 8,580.96 : x
  2. Step 2: Convert to fraction form
    26,111.79/39,173.36 = 8,580.96/x
  3. Step 3: Cross multiply
    26,111.79x = 39,173.36 × 8,580.96
  4. Step 4: Simplify right side
    26,111.79x = 336,144,992.32
  5. Step 5: Solve for x
    x = 336,144,992.32/26,111.79
  6. Step 6: Final answer
    x = 12,873.30

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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.