Home / 50,625.28-69,864.32-28,268.80

Finding the Fourth Proportional to 50,625.28, 69,864.32 and 28,268.80

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Solution

The fourth proportional to 50,625.28, 69,864.32 and 28,268.80 is: 39,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,625.28 : 69,864.32 = 28,268.80 : x
  2. Step 2: Convert to fraction form
    50,625.28/69,864.32 = 28,268.80/x
  3. Step 3: Cross multiply
    50,625.28x = 69,864.32 × 28,268.80
  4. Step 4: Simplify right side
    50,625.28x = 1,974,980,489.22
  5. Step 5: Solve for x
    x = 1,974,980,489.22/50,625.28
  6. Step 6: Final answer
    x = 39,011.74

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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.