Home / 28,070.86-42,164.60-22,268.02

Finding the Fourth Proportional to 28,070.86, 42,164.60 and 22,268.02

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Solution

The fourth proportional to 28,070.86, 42,164.60 and 22,268.02 is: 33,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070.86 : 42,164.60 = 22,268.02 : x
  2. Step 2: Convert to fraction form
    28,070.86/42,164.60 = 22,268.02/x
  3. Step 3: Cross multiply
    28,070.86x = 42,164.60 × 22,268.02
  4. Step 4: Simplify right side
    28,070.86x = 938,922,156.09
  5. Step 5: Solve for x
    x = 938,922,156.09/28,070.86
  6. Step 6: Final answer
    x = 33,448.29

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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.