Home / 27,157.28-40,737.36-9,628.96

Finding the Fourth Proportional to 27,157.28, 40,737.36 and 9,628.96

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Solution

The fourth proportional to 27,157.28, 40,737.36 and 9,628.96 is: 14,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.28 : 40,737.36 = 9,628.96 : x
  2. Step 2: Convert to fraction form
    27,157.28/40,737.36 = 9,628.96/x
  3. Step 3: Cross multiply
    27,157.28x = 40,737.36 × 9,628.96
  4. Step 4: Simplify right side
    27,157.28x = 392,258,409.95
  5. Step 5: Solve for x
    x = 392,258,409.95/27,157.28
  6. Step 6: Final answer
    x = 14,443.95

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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.