Home / 28,607.08-42,910.62-11,076.91

Finding the Fourth Proportional to 28,607.08, 42,910.62 and 11,076.91

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Solution

The fourth proportional to 28,607.08, 42,910.62 and 11,076.91 is: 16,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607.08 : 42,910.62 = 11,076.91 : x
  2. Step 2: Convert to fraction form
    28,607.08/42,910.62 = 11,076.91/x
  3. Step 3: Cross multiply
    28,607.08x = 42,910.62 × 11,076.91
  4. Step 4: Simplify right side
    28,607.08x = 475,317,075.78
  5. Step 5: Solve for x
    x = 475,317,075.78/28,607.08
  6. Step 6: Final answer
    x = 16,615.37

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1.5x scale

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.