Home / 28,597.05-42,893.55-11,951.01

Finding the Fourth Proportional to 28,597.05, 42,893.55 and 11,951.01

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Solution

The fourth proportional to 28,597.05, 42,893.55 and 11,951.01 is: 17,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.05 : 42,893.55 = 11,951.01 : x
  2. Step 2: Convert to fraction form
    28,597.05/42,893.55 = 11,951.01/x
  3. Step 3: Cross multiply
    28,597.05x = 42,893.55 × 11,951.01
  4. Step 4: Simplify right side
    28,597.05x = 512,621,244.99
  5. Step 5: Solve for x
    x = 512,621,244.99/28,597.05
  6. Step 6: Final answer
    x = 17,925.67

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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.