Home / 28,603.44-42,709.50-25,622.64

Finding the Fourth Proportional to 28,603.44, 42,709.50 and 25,622.64

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Solution

The fourth proportional to 28,603.44, 42,709.50 and 25,622.64 is: 38,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.44 : 42,709.50 = 25,622.64 : x
  2. Step 2: Convert to fraction form
    28,603.44/42,709.50 = 25,622.64/x
  3. Step 3: Cross multiply
    28,603.44x = 42,709.50 × 25,622.64
  4. Step 4: Simplify right side
    28,603.44x = 1,094,330,143.08
  5. Step 5: Solve for x
    x = 1,094,330,143.08/28,603.44
  6. Step 6: Final answer
    x = 38,258.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.