Home / 28,021.94-38,744.09-26,782.64

Finding the Fourth Proportional to 28,021.94, 38,744.09 and 26,782.64

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Solution

The fourth proportional to 28,021.94, 38,744.09 and 26,782.64 is: 37,030.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.94 : 38,744.09 = 26,782.64 : x
  2. Step 2: Convert to fraction form
    28,021.94/38,744.09 = 26,782.64/x
  3. Step 3: Cross multiply
    28,021.94x = 38,744.09 × 26,782.64
  4. Step 4: Simplify right side
    28,021.94x = 1,037,669,014.60
  5. Step 5: Solve for x
    x = 1,037,669,014.60/28,021.94
  6. Step 6: Final answer
    x = 37,030.59

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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.