Home / 28,653.82-42,980.58-15,589.24

Finding the Fourth Proportional to 28,653.82, 42,980.58 and 15,589.24

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Solution

The fourth proportional to 28,653.82, 42,980.58 and 15,589.24 is: 23,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.82 : 42,980.58 = 15,589.24 : x
  2. Step 2: Convert to fraction form
    28,653.82/42,980.58 = 15,589.24/x
  3. Step 3: Cross multiply
    28,653.82x = 42,980.58 × 15,589.24
  4. Step 4: Simplify right side
    28,653.82x = 670,034,576.96
  5. Step 5: Solve for x
    x = 670,034,576.96/28,653.82
  6. Step 6: Final answer
    x = 23,383.78

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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.