Home / 28,268.24-42,403.26-14,220.59

Finding the Fourth Proportional to 28,268.24, 42,403.26 and 14,220.59

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Solution

The fourth proportional to 28,268.24, 42,403.26 and 14,220.59 is: 21,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.24 : 42,403.26 = 14,220.59 : x
  2. Step 2: Convert to fraction form
    28,268.24/42,403.26 = 14,220.59/x
  3. Step 3: Cross multiply
    28,268.24x = 42,403.26 × 14,220.59
  4. Step 4: Simplify right side
    28,268.24x = 602,999,163.11
  5. Step 5: Solve for x
    x = 602,999,163.11/28,268.24
  6. Step 6: Final answer
    x = 21,331.33

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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.