Home / 28,914.78-39,897.99-16,334.94

Finding the Fourth Proportional to 28,914.78, 39,897.99 and 16,334.94

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Solution

The fourth proportional to 28,914.78, 39,897.99 and 16,334.94 is: 22,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.78 : 39,897.99 = 16,334.94 : x
  2. Step 2: Convert to fraction form
    28,914.78/39,897.99 = 16,334.94/x
  3. Step 3: Cross multiply
    28,914.78x = 39,897.99 × 16,334.94
  4. Step 4: Simplify right side
    28,914.78x = 651,731,272.77
  5. Step 5: Solve for x
    x = 651,731,272.77/28,914.78
  6. Step 6: Final answer
    x = 22,539.73

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1.5x scale

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.