Home / 26,509.56-39,770.22-8,739.51

Finding the Fourth Proportional to 26,509.56, 39,770.22 and 8,739.51

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Solution

The fourth proportional to 26,509.56, 39,770.22 and 8,739.51 is: 13,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.56 : 39,770.22 = 8,739.51 : x
  2. Step 2: Convert to fraction form
    26,509.56/39,770.22 = 8,739.51/x
  3. Step 3: Cross multiply
    26,509.56x = 39,770.22 × 8,739.51
  4. Step 4: Simplify right side
    26,509.56x = 347,572,235.39
  5. Step 5: Solve for x
    x = 347,572,235.39/26,509.56
  6. Step 6: Final answer
    x = 13,111.20

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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.