Home / 40,185.28-55,460.82-26,399.40

Finding the Fourth Proportional to 40,185.28, 55,460.82 and 26,399.40

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Solution

The fourth proportional to 40,185.28, 55,460.82 and 26,399.40 is: 36,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,185.28 : 55,460.82 = 26,399.40 : x
  2. Step 2: Convert to fraction form
    40,185.28/55,460.82 = 26,399.40/x
  3. Step 3: Cross multiply
    40,185.28x = 55,460.82 × 26,399.40
  4. Step 4: Simplify right side
    40,185.28x = 1,464,132,371.51
  5. Step 5: Solve for x
    x = 1,464,132,371.51/40,185.28
  6. Step 6: Final answer
    x = 36,434.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.