Home / 30,268.80-45,403.20-26,575.20

Finding the Fourth Proportional to 30,268.80, 45,403.20 and 26,575.20

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Solution

The fourth proportional to 30,268.80, 45,403.20 and 26,575.20 is: 39,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.80 : 45,403.20 = 26,575.20 : x
  2. Step 2: Convert to fraction form
    30,268.80/45,403.20 = 26,575.20/x
  3. Step 3: Cross multiply
    30,268.80x = 45,403.20 × 26,575.20
  4. Step 4: Simplify right side
    30,268.80x = 1,206,599,120.64
  5. Step 5: Solve for x
    x = 1,206,599,120.64/30,268.80
  6. Step 6: Final answer
    x = 39,862.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.