Home / 28,355.03-42,532.54-28,314.02

Finding the Fourth Proportional to 28,355.03, 42,532.54 and 28,314.02

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Solution

The fourth proportional to 28,355.03, 42,532.54 and 28,314.02 is: 42,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.03 : 42,532.54 = 28,314.02 : x
  2. Step 2: Convert to fraction form
    28,355.03/42,532.54 = 28,314.02/x
  3. Step 3: Cross multiply
    28,355.03x = 42,532.54 × 28,314.02
  4. Step 4: Simplify right side
    28,355.03x = 1,204,267,329.93
  5. Step 5: Solve for x
    x = 1,204,267,329.93/28,355.03
  6. Step 6: Final answer
    x = 42,471.03

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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.