Home / 28,366.56-39,146.64-15,792.24

Finding the Fourth Proportional to 28,366.56, 39,146.64 and 15,792.24

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Solution

The fourth proportional to 28,366.56, 39,146.64 and 15,792.24 is: 21,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.56 : 39,146.64 = 15,792.24 : x
  2. Step 2: Convert to fraction form
    28,366.56/39,146.64 = 15,792.24/x
  3. Step 3: Cross multiply
    28,366.56x = 39,146.64 × 15,792.24
  4. Step 4: Simplify right side
    28,366.56x = 618,213,134.07
  5. Step 5: Solve for x
    x = 618,213,134.07/28,366.56
  6. Step 6: Final answer
    x = 21,793.73

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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.