Home / 26,099.16-39,129.59-8,319.59

Finding the Fourth Proportional to 26,099.16, 39,129.59 and 8,319.59

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Solution

The fourth proportional to 26,099.16, 39,129.59 and 8,319.59 is: 12,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.16 : 39,129.59 = 8,319.59 : x
  2. Step 2: Convert to fraction form
    26,099.16/39,129.59 = 8,319.59/x
  3. Step 3: Cross multiply
    26,099.16x = 39,129.59 × 8,319.59
  4. Step 4: Simplify right side
    26,099.16x = 325,541,908.42
  5. Step 5: Solve for x
    x = 325,541,908.42/26,099.16
  6. Step 6: Final answer
    x = 12,473.27

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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.