Home / 25,051.68-34,492.64-21,267

Finding the Fourth Proportional to 25,051.68, 34,492.64 and 21,267

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Solution

The fourth proportional to 25,051.68, 34,492.64 and 21,267 is: 29,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,051.68 : 34,492.64 = 21,267 : x
  2. Step 2: Convert to fraction form
    25,051.68/34,492.64 = 21,267/x
  3. Step 3: Cross multiply
    25,051.68x = 34,492.64 × 21,267
  4. Step 4: Simplify right side
    25,051.68x = 733,554,868.55
  5. Step 5: Solve for x
    x = 733,554,868.55/25,051.68
  6. Step 6: Final answer
    x = 29,281.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.