Home / 28,051.02-42,076.80-7,274.52

Finding the Fourth Proportional to 28,051.02, 42,076.80 and 7,274.52

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Solution

The fourth proportional to 28,051.02, 42,076.80 and 7,274.52 is: 10,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.02 : 42,076.80 = 7,274.52 : x
  2. Step 2: Convert to fraction form
    28,051.02/42,076.80 = 7,274.52/x
  3. Step 3: Cross multiply
    28,051.02x = 42,076.80 × 7,274.52
  4. Step 4: Simplify right side
    28,051.02x = 306,088,523.14
  5. Step 5: Solve for x
    x = 306,088,523.14/28,051.02
  6. Step 6: Final answer
    x = 10,911.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.