Home / 28,883.68-39,859.14-16,136.05

Finding the Fourth Proportional to 28,883.68, 39,859.14 and 16,136.05

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Solution

The fourth proportional to 28,883.68, 39,859.14 and 16,136.05 is: 22,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.68 : 39,859.14 = 16,136.05 : x
  2. Step 2: Convert to fraction form
    28,883.68/39,859.14 = 16,136.05/x
  3. Step 3: Cross multiply
    28,883.68x = 39,859.14 × 16,136.05
  4. Step 4: Simplify right side
    28,883.68x = 643,169,076.00
  5. Step 5: Solve for x
    x = 643,169,076.00/28,883.68
  6. Step 6: Final answer
    x = 22,267.56

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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.