Home / 28,858.28-39,824.98-16,283.32

Finding the Fourth Proportional to 28,858.28, 39,824.98 and 16,283.32

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Solution

The fourth proportional to 28,858.28, 39,824.98 and 16,283.32 is: 22,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.28 : 39,824.98 = 16,283.32 : x
  2. Step 2: Convert to fraction form
    28,858.28/39,824.98 = 16,283.32/x
  3. Step 3: Cross multiply
    28,858.28x = 39,824.98 × 16,283.32
  4. Step 4: Simplify right side
    28,858.28x = 648,482,893.33
  5. Step 5: Solve for x
    x = 648,482,893.33/28,858.28
  6. Step 6: Final answer
    x = 22,471.29

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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.