Home / 27,600.40-38,088.32-15,025.12

Finding the Fourth Proportional to 27,600.40, 38,088.32 and 15,025.12

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Solution

The fourth proportional to 27,600.40, 38,088.32 and 15,025.12 is: 20,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,600.40 : 38,088.32 = 15,025.12 : x
  2. Step 2: Convert to fraction form
    27,600.40/38,088.32 = 15,025.12/x
  3. Step 3: Cross multiply
    27,600.40x = 38,088.32 × 15,025.12
  4. Step 4: Simplify right side
    27,600.40x = 572,281,578.60
  5. Step 5: Solve for x
    x = 572,281,578.60/27,600.40
  6. Step 6: Final answer
    x = 20,734.54

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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.