Home / 28,174.42-38,877.43-16,237.65

Finding the Fourth Proportional to 28,174.42, 38,877.43 and 16,237.65

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Solution

The fourth proportional to 28,174.42, 38,877.43 and 16,237.65 is: 22,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.42 : 38,877.43 = 16,237.65 : x
  2. Step 2: Convert to fraction form
    28,174.42/38,877.43 = 16,237.65/x
  3. Step 3: Cross multiply
    28,174.42x = 38,877.43 × 16,237.65
  4. Step 4: Simplify right side
    28,174.42x = 631,278,101.24
  5. Step 5: Solve for x
    x = 631,278,101.24/28,174.42
  6. Step 6: Final answer
    x = 22,406.07

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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.