Home / 26,621.86-39,928.56-8,851.05

Finding the Fourth Proportional to 26,621.86, 39,928.56 and 8,851.05

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Solution

The fourth proportional to 26,621.86, 39,928.56 and 8,851.05 is: 13,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.86 : 39,928.56 = 8,851.05 : x
  2. Step 2: Convert to fraction form
    26,621.86/39,928.56 = 8,851.05/x
  3. Step 3: Cross multiply
    26,621.86x = 39,928.56 × 8,851.05
  4. Step 4: Simplify right side
    26,621.86x = 353,409,437.09
  5. Step 5: Solve for x
    x = 353,409,437.09/26,621.86
  6. Step 6: Final answer
    x = 13,275.16

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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.