Home / 27,565.40-38,040.24-15,628.73

Finding the Fourth Proportional to 27,565.40, 38,040.24 and 15,628.73

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Solution

The fourth proportional to 27,565.40, 38,040.24 and 15,628.73 is: 21,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.40 : 38,040.24 = 15,628.73 : x
  2. Step 2: Convert to fraction form
    27,565.40/38,040.24 = 15,628.73/x
  3. Step 3: Cross multiply
    27,565.40x = 38,040.24 × 15,628.73
  4. Step 4: Simplify right side
    27,565.40x = 594,520,449.89
  5. Step 5: Solve for x
    x = 594,520,449.89/27,565.40
  6. Step 6: Final answer
    x = 21,567.64

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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.