Home / 28,289.79-38,738.12-27,174.42

Finding the Fourth Proportional to 28,289.79, 38,738.12 and 27,174.42

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Solution

The fourth proportional to 28,289.79, 38,738.12 and 27,174.42 is: 37,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.79 : 38,738.12 = 27,174.42 : x
  2. Step 2: Convert to fraction form
    28,289.79/38,738.12 = 27,174.42/x
  3. Step 3: Cross multiply
    28,289.79x = 38,738.12 × 27,174.42
  4. Step 4: Simplify right side
    28,289.79x = 1,052,685,807.02
  5. Step 5: Solve for x
    x = 1,052,685,807.02/28,289.79
  6. Step 6: Final answer
    x = 37,210.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.