Home / 28,304.08-42,444.60-10,778.32

Finding the Fourth Proportional to 28,304.08, 42,444.60 and 10,778.32

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Solution

The fourth proportional to 28,304.08, 42,444.60 and 10,778.32 is: 16,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.08 : 42,444.60 = 10,778.32 : x
  2. Step 2: Convert to fraction form
    28,304.08/42,444.60 = 10,778.32/x
  3. Step 3: Cross multiply
    28,304.08x = 42,444.60 × 10,778.32
  4. Step 4: Simplify right side
    28,304.08x = 457,481,481.07
  5. Step 5: Solve for x
    x = 457,481,481.07/28,304.08
  6. Step 6: Final answer
    x = 16,163.09

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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.