Home / 28,042.33-42,057.55-10,513.45

Finding the Fourth Proportional to 28,042.33, 42,057.55 and 10,513.45

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Solution

The fourth proportional to 28,042.33, 42,057.55 and 10,513.45 is: 15,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.33 : 42,057.55 = 10,513.45 : x
  2. Step 2: Convert to fraction form
    28,042.33/42,057.55 = 10,513.45/x
  3. Step 3: Cross multiply
    28,042.33x = 42,057.55 × 10,513.45
  4. Step 4: Simplify right side
    28,042.33x = 442,169,949.05
  5. Step 5: Solve for x
    x = 442,169,949.05/28,042.33
  6. Step 6: Final answer
    x = 15,767.95

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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.