Home / 27,311.36-40,928.64-15,607.04

Finding the Fourth Proportional to 27,311.36, 40,928.64 and 15,607.04

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Solution

The fourth proportional to 27,311.36, 40,928.64 and 15,607.04 is: 23,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.36 : 40,928.64 = 15,607.04 : x
  2. Step 2: Convert to fraction form
    27,311.36/40,928.64 = 15,607.04/x
  3. Step 3: Cross multiply
    27,311.36x = 40,928.64 × 15,607.04
  4. Step 4: Simplify right side
    27,311.36x = 638,774,921.63
  5. Step 5: Solve for x
    x = 638,774,921.63/27,311.36
  6. Step 6: Final answer
    x = 23,388.62

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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.