Home / 27,740.58-38,289.12-17,124.12

Finding the Fourth Proportional to 27,740.58, 38,289.12 and 17,124.12

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Solution

The fourth proportional to 27,740.58, 38,289.12 and 17,124.12 is: 23,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,740.58 : 38,289.12 = 17,124.12 : x
  2. Step 2: Convert to fraction form
    27,740.58/38,289.12 = 17,124.12/x
  3. Step 3: Cross multiply
    27,740.58x = 38,289.12 × 17,124.12
  4. Step 4: Simplify right side
    27,740.58x = 655,667,485.57
  5. Step 5: Solve for x
    x = 655,667,485.57/27,740.58
  6. Step 6: Final answer
    x = 23,635.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.