Home / 28,046.60-42,041.10-16,353.80

Finding the Fourth Proportional to 28,046.60, 42,041.10 and 16,353.80

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Solution

The fourth proportional to 28,046.60, 42,041.10 and 16,353.80 is: 24,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.60 : 42,041.10 = 16,353.80 : x
  2. Step 2: Convert to fraction form
    28,046.60/42,041.10 = 16,353.80/x
  3. Step 3: Cross multiply
    28,046.60x = 42,041.10 × 16,353.80
  4. Step 4: Simplify right side
    28,046.60x = 687,531,741.18
  5. Step 5: Solve for x
    x = 687,531,741.18/28,046.60
  6. Step 6: Final answer
    x = 24,513.91

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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.