Home / 40,040.03-55,268.37-28,106.30

Finding the Fourth Proportional to 40,040.03, 55,268.37 and 28,106.30

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Solution

The fourth proportional to 40,040.03, 55,268.37 and 28,106.30 is: 38,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.03 : 55,268.37 = 28,106.30 : x
  2. Step 2: Convert to fraction form
    40,040.03/55,268.37 = 28,106.30/x
  3. Step 3: Cross multiply
    40,040.03x = 55,268.37 × 28,106.30
  4. Step 4: Simplify right side
    40,040.03x = 1,553,389,291.41
  5. Step 5: Solve for x
    x = 1,553,389,291.41/40,040.03
  6. Step 6: Final answer
    x = 38,795.91

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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.