Home / 40,286.10-55,602.77-25,740.98

Finding the Fourth Proportional to 40,286.10, 55,602.77 and 25,740.98

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Solution

The fourth proportional to 40,286.10, 55,602.77 and 25,740.98 is: 35,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.10 : 55,602.77 = 25,740.98 : x
  2. Step 2: Convert to fraction form
    40,286.10/55,602.77 = 25,740.98/x
  3. Step 3: Cross multiply
    40,286.10x = 55,602.77 × 25,740.98
  4. Step 4: Simplify right side
    40,286.10x = 1,431,269,790.51
  5. Step 5: Solve for x
    x = 1,431,269,790.51/40,286.10
  6. Step 6: Final answer
    x = 35,527.63

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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.