Home / 28,877.32-39,845.58-16,302.16

Finding the Fourth Proportional to 28,877.32, 39,845.58 and 16,302.16

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Solution

The fourth proportional to 28,877.32, 39,845.58 and 16,302.16 is: 22,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.32 : 39,845.58 = 16,302.16 : x
  2. Step 2: Convert to fraction form
    28,877.32/39,845.58 = 16,302.16/x
  3. Step 3: Cross multiply
    28,877.32x = 39,845.58 × 16,302.16
  4. Step 4: Simplify right side
    28,877.32x = 649,569,020.45
  5. Step 5: Solve for x
    x = 649,569,020.45/28,877.32
  6. Step 6: Final answer
    x = 22,494.09

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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.