Home / 37,875.88-52,268.84-20,879.75

Finding the Fourth Proportional to 37,875.88, 52,268.84 and 20,879.75

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Solution

The fourth proportional to 37,875.88, 52,268.84 and 20,879.75 is: 28,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,875.88 : 52,268.84 = 20,879.75 : x
  2. Step 2: Convert to fraction form
    37,875.88/52,268.84 = 20,879.75/x
  3. Step 3: Cross multiply
    37,875.88x = 52,268.84 × 20,879.75
  4. Step 4: Simplify right side
    37,875.88x = 1,091,360,387.00
  5. Step 5: Solve for x
    x = 1,091,360,387.00/37,875.88
  6. Step 6: Final answer
    x = 28,814.13

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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.