Home / 26,743.96-40,129.60-17,865.36

Finding the Fourth Proportional to 26,743.96, 40,129.60 and 17,865.36

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Solution

The fourth proportional to 26,743.96, 40,129.60 and 17,865.36 is: 26,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743.96 : 40,129.60 = 17,865.36 : x
  2. Step 2: Convert to fraction form
    26,743.96/40,129.60 = 17,865.36/x
  3. Step 3: Cross multiply
    26,743.96x = 40,129.60 × 17,865.36
  4. Step 4: Simplify right side
    26,743.96x = 716,929,750.66
  5. Step 5: Solve for x
    x = 716,929,750.66/26,743.96
  6. Step 6: Final answer
    x = 26,807.17

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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.