Home / 28,916.40-39,905.48-16,169.24

Finding the Fourth Proportional to 28,916.40, 39,905.48 and 16,169.24

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Solution

The fourth proportional to 28,916.40, 39,905.48 and 16,169.24 is: 22,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.40 : 39,905.48 = 16,169.24 : x
  2. Step 2: Convert to fraction form
    28,916.40/39,905.48 = 16,169.24/x
  3. Step 3: Cross multiply
    28,916.40x = 39,905.48 × 16,169.24
  4. Step 4: Simplify right side
    28,916.40x = 645,241,283.44
  5. Step 5: Solve for x
    x = 645,241,283.44/28,916.40
  6. Step 6: Final answer
    x = 22,314.03

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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.