Home / 28,182.44-42,260.88-10,639.82

Finding the Fourth Proportional to 28,182.44, 42,260.88 and 10,639.82

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Solution

The fourth proportional to 28,182.44, 42,260.88 and 10,639.82 is: 15,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.44 : 42,260.88 = 10,639.82 : x
  2. Step 2: Convert to fraction form
    28,182.44/42,260.88 = 10,639.82/x
  3. Step 3: Cross multiply
    28,182.44x = 42,260.88 × 10,639.82
  4. Step 4: Simplify right side
    28,182.44x = 449,648,156.24
  5. Step 5: Solve for x
    x = 449,648,156.24/28,182.44
  6. Step 6: Final answer
    x = 15,954.91

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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.