Home / 28,060.86-42,149.60-22,258.02

Finding the Fourth Proportional to 28,060.86, 42,149.60 and 22,258.02

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Solution

The fourth proportional to 28,060.86, 42,149.60 and 22,258.02 is: 33,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.86 : 42,149.60 = 22,258.02 : x
  2. Step 2: Convert to fraction form
    28,060.86/42,149.60 = 22,258.02/x
  3. Step 3: Cross multiply
    28,060.86x = 42,149.60 × 22,258.02
  4. Step 4: Simplify right side
    28,060.86x = 938,166,639.79
  5. Step 5: Solve for x
    x = 938,166,639.79/28,060.86
  6. Step 6: Final answer
    x = 33,433.28

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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.