Home / 28,134.38-42,204.46-10,618.94

Finding the Fourth Proportional to 28,134.38, 42,204.46 and 10,618.94

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Solution

The fourth proportional to 28,134.38, 42,204.46 and 10,618.94 is: 15,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.38 : 42,204.46 = 10,618.94 : x
  2. Step 2: Convert to fraction form
    28,134.38/42,204.46 = 10,618.94/x
  3. Step 3: Cross multiply
    28,134.38x = 42,204.46 × 10,618.94
  4. Step 4: Simplify right side
    28,134.38x = 448,166,628.47
  5. Step 5: Solve for x
    x = 448,166,628.47/28,134.38
  6. Step 6: Final answer
    x = 15,929.50

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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.