Home / 27,883.01-38,478.85-15,136.31

Finding the Fourth Proportional to 27,883.01, 38,478.85 and 15,136.31

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Solution

The fourth proportional to 27,883.01, 38,478.85 and 15,136.31 is: 20,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.01 : 38,478.85 = 15,136.31 : x
  2. Step 2: Convert to fraction form
    27,883.01/38,478.85 = 15,136.31/x
  3. Step 3: Cross multiply
    27,883.01x = 38,478.85 × 15,136.31
  4. Step 4: Simplify right side
    27,883.01x = 582,427,752.18
  5. Step 5: Solve for x
    x = 582,427,752.18/27,883.01
  6. Step 6: Final answer
    x = 20,888.27

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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.