Home / 40,268.88-55,551.83-28,338.80

Finding the Fourth Proportional to 40,268.88, 55,551.83 and 28,338.80

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Solution

The fourth proportional to 40,268.88, 55,551.83 and 28,338.80 is: 39,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.88 : 55,551.83 = 28,338.80 : x
  2. Step 2: Convert to fraction form
    40,268.88/55,551.83 = 28,338.80/x
  3. Step 3: Cross multiply
    40,268.88x = 55,551.83 × 28,338.80
  4. Step 4: Simplify right side
    40,268.88x = 1,574,271,780.55
  5. Step 5: Solve for x
    x = 1,574,271,780.55/40,268.88
  6. Step 6: Final answer
    x = 39,094.00

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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.