Home / 28,064.91-38,733.29-19,561.53

Finding the Fourth Proportional to 28,064.91, 38,733.29 and 19,561.53

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Solution

The fourth proportional to 28,064.91, 38,733.29 and 19,561.53 is: 26,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.91 : 38,733.29 = 19,561.53 : x
  2. Step 2: Convert to fraction form
    28,064.91/38,733.29 = 19,561.53/x
  3. Step 3: Cross multiply
    28,064.91x = 38,733.29 × 19,561.53
  4. Step 4: Simplify right side
    28,064.91x = 757,682,414.33
  5. Step 5: Solve for x
    x = 757,682,414.33/28,064.91
  6. Step 6: Final answer
    x = 26,997.50

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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.