Home / 28,657.16-39,548.67-16,558.16

Finding the Fourth Proportional to 28,657.16, 39,548.67 and 16,558.16

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Solution

The fourth proportional to 28,657.16, 39,548.67 and 16,558.16 is: 22,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.16 : 39,548.67 = 16,558.16 : x
  2. Step 2: Convert to fraction form
    28,657.16/39,548.67 = 16,558.16/x
  3. Step 3: Cross multiply
    28,657.16x = 39,548.67 × 16,558.16
  4. Step 4: Simplify right side
    28,657.16x = 654,853,205.65
  5. Step 5: Solve for x
    x = 654,853,205.65/28,657.16
  6. Step 6: Final answer
    x = 22,851.29

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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.