Home / 28,677.84-39,575.21-16,578.06

Finding the Fourth Proportional to 28,677.84, 39,575.21 and 16,578.06

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Solution

The fourth proportional to 28,677.84, 39,575.21 and 16,578.06 is: 22,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.84 : 39,575.21 = 16,578.06 : x
  2. Step 2: Convert to fraction form
    28,677.84/39,575.21 = 16,578.06/x
  3. Step 3: Cross multiply
    28,677.84x = 39,575.21 × 16,578.06
  4. Step 4: Simplify right side
    28,677.84x = 656,080,123.00
  5. Step 5: Solve for x
    x = 656,080,123.00/28,677.84
  6. Step 6: Final answer
    x = 22,877.60

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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.