Home / 28,035.72-42,041.70-10,493.32

Finding the Fourth Proportional to 28,035.72, 42,041.70 and 10,493.32

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Solution

The fourth proportional to 28,035.72, 42,041.70 and 10,493.32 is: 15,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.72 : 42,041.70 = 10,493.32 : x
  2. Step 2: Convert to fraction form
    28,035.72/42,041.70 = 10,493.32/x
  3. Step 3: Cross multiply
    28,035.72x = 42,041.70 × 10,493.32
  4. Step 4: Simplify right side
    28,035.72x = 441,157,011.44
  5. Step 5: Solve for x
    x = 441,157,011.44/28,035.72
  6. Step 6: Final answer
    x = 15,735.53

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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.