Home / 28,865.08-39,844.34-16,938.37

Finding the Fourth Proportional to 28,865.08, 39,844.34 and 16,938.37

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Solution

The fourth proportional to 28,865.08, 39,844.34 and 16,938.37 is: 23,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.08 : 39,844.34 = 16,938.37 : x
  2. Step 2: Convert to fraction form
    28,865.08/39,844.34 = 16,938.37/x
  3. Step 3: Cross multiply
    28,865.08x = 39,844.34 × 16,938.37
  4. Step 4: Simplify right side
    28,865.08x = 674,898,173.33
  5. Step 5: Solve for x
    x = 674,898,173.33/28,865.08
  6. Step 6: Final answer
    x = 23,381.13

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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.