Home / 26,239.36-39,342.72-8,704.64

Finding the Fourth Proportional to 26,239.36, 39,342.72 and 8,704.64

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Solution

The fourth proportional to 26,239.36, 39,342.72 and 8,704.64 is: 13,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.36 : 39,342.72 = 8,704.64 : x
  2. Step 2: Convert to fraction form
    26,239.36/39,342.72 = 8,704.64/x
  3. Step 3: Cross multiply
    26,239.36x = 39,342.72 × 8,704.64
  4. Step 4: Simplify right side
    26,239.36x = 342,464,214.22
  5. Step 5: Solve for x
    x = 342,464,214.22/26,239.36
  6. Step 6: Final answer
    x = 13,051.55

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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.