Home / 28,530.03-42,756.84-16,043.88

Finding the Fourth Proportional to 28,530.03, 42,756.84 and 16,043.88

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Solution

The fourth proportional to 28,530.03, 42,756.84 and 16,043.88 is: 24,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530.03 : 42,756.84 = 16,043.88 : x
  2. Step 2: Convert to fraction form
    28,530.03/42,756.84 = 16,043.88/x
  3. Step 3: Cross multiply
    28,530.03x = 42,756.84 × 16,043.88
  4. Step 4: Simplify right side
    28,530.03x = 685,985,610.14
  5. Step 5: Solve for x
    x = 685,985,610.14/28,530.03
  6. Step 6: Final answer
    x = 24,044.34

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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.