Home / 28,174.86-42,263.64-23,235.48

Finding the Fourth Proportional to 28,174.86, 42,263.64 and 23,235.48

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Solution

The fourth proportional to 28,174.86, 42,263.64 and 23,235.48 is: 34,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.86 : 42,263.64 = 23,235.48 : x
  2. Step 2: Convert to fraction form
    28,174.86/42,263.64 = 23,235.48/x
  3. Step 3: Cross multiply
    28,174.86x = 42,263.64 × 23,235.48
  4. Step 4: Simplify right side
    28,174.86x = 982,015,961.95
  5. Step 5: Solve for x
    x = 982,015,961.95/28,174.86
  6. Step 6: Final answer
    x = 34,854.33

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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.