Home / 27,636.16-38,136.60-15,060.64

Finding the Fourth Proportional to 27,636.16, 38,136.60 and 15,060.64

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Solution

The fourth proportional to 27,636.16, 38,136.60 and 15,060.64 is: 20,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.16 : 38,136.60 = 15,060.64 : x
  2. Step 2: Convert to fraction form
    27,636.16/38,136.60 = 15,060.64/x
  3. Step 3: Cross multiply
    27,636.16x = 38,136.60 × 15,060.64
  4. Step 4: Simplify right side
    27,636.16x = 574,361,603.42
  5. Step 5: Solve for x
    x = 574,361,603.42/27,636.16
  6. Step 6: Final answer
    x = 20,782.97

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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.