Home / 25,208.55-37,812.83-21,271.95

Finding the Fourth Proportional to 25,208.55, 37,812.83 and 21,271.95

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Solution

The fourth proportional to 25,208.55, 37,812.83 and 21,271.95 is: 31,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.55 : 37,812.83 = 21,271.95 : x
  2. Step 2: Convert to fraction form
    25,208.55/37,812.83 = 21,271.95/x
  3. Step 3: Cross multiply
    25,208.55x = 37,812.83 × 21,271.95
  4. Step 4: Simplify right side
    25,208.55x = 804,352,522.76
  5. Step 5: Solve for x
    x = 804,352,522.76/25,208.55
  6. Step 6: Final answer
    x = 31,907.93

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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.