Home / 28,035.16-42,059.49-10,505.14

Finding the Fourth Proportional to 28,035.16, 42,059.49 and 10,505.14

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Solution

The fourth proportional to 28,035.16, 42,059.49 and 10,505.14 is: 15,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.16 : 42,059.49 = 10,505.14 : x
  2. Step 2: Convert to fraction form
    28,035.16/42,059.49 = 10,505.14/x
  3. Step 3: Cross multiply
    28,035.16x = 42,059.49 × 10,505.14
  4. Step 4: Simplify right side
    28,035.16x = 441,840,620.48
  5. Step 5: Solve for x
    x = 441,840,620.48/28,035.16
  6. Step 6: Final answer
    x = 15,760.23

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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.