Home / 28,588.80-42,907.56-11,063.64

Finding the Fourth Proportional to 28,588.80, 42,907.56 and 11,063.64

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Solution

The fourth proportional to 28,588.80, 42,907.56 and 11,063.64 is: 16,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.80 : 42,907.56 = 11,063.64 : x
  2. Step 2: Convert to fraction form
    28,588.80/42,907.56 = 11,063.64/x
  3. Step 3: Cross multiply
    28,588.80x = 42,907.56 × 11,063.64
  4. Step 4: Simplify right side
    28,588.80x = 474,713,797.12
  5. Step 5: Solve for x
    x = 474,713,797.12/28,588.80
  6. Step 6: Final answer
    x = 16,604.89

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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.