Home / 19,268.09-28,901.72-8,879.84

Finding the Fourth Proportional to 19,268.09, 28,901.72 and 8,879.84

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Solution

The fourth proportional to 19,268.09, 28,901.72 and 8,879.84 is: 13,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.09 : 28,901.72 = 8,879.84 : x
  2. Step 2: Convert to fraction form
    19,268.09/28,901.72 = 8,879.84/x
  3. Step 3: Cross multiply
    19,268.09x = 28,901.72 × 8,879.84
  4. Step 4: Simplify right side
    19,268.09x = 256,642,460.42
  5. Step 5: Solve for x
    x = 256,642,460.42/19,268.09
  6. Step 6: Final answer
    x = 13,319.56

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1.5x scale

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.