Home / 26,613.70-39,913.73-7,889.36

Finding the Fourth Proportional to 26,613.70, 39,913.73 and 7,889.36

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Solution

The fourth proportional to 26,613.70, 39,913.73 and 7,889.36 is: 11,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.70 : 39,913.73 = 7,889.36 : x
  2. Step 2: Convert to fraction form
    26,613.70/39,913.73 = 7,889.36/x
  3. Step 3: Cross multiply
    26,613.70x = 39,913.73 × 7,889.36
  4. Step 4: Simplify right side
    26,613.70x = 314,893,619.86
  5. Step 5: Solve for x
    x = 314,893,619.86/26,613.70
  6. Step 6: Final answer
    x = 11,832.01

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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.