Home / 28,785.12-39,723.87-16,037.94

Finding the Fourth Proportional to 28,785.12, 39,723.87 and 16,037.94

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Solution

The fourth proportional to 28,785.12, 39,723.87 and 16,037.94 is: 22,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.12 : 39,723.87 = 16,037.94 : x
  2. Step 2: Convert to fraction form
    28,785.12/39,723.87 = 16,037.94/x
  3. Step 3: Cross multiply
    28,785.12x = 39,723.87 × 16,037.94
  4. Step 4: Simplify right side
    28,785.12x = 637,089,043.63
  5. Step 5: Solve for x
    x = 637,089,043.63/28,785.12
  6. Step 6: Final answer
    x = 22,132.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.