Home / 28,608.72-42,883.92-26,086.40

Finding the Fourth Proportional to 28,608.72, 42,883.92 and 26,086.40

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Solution

The fourth proportional to 28,608.72, 42,883.92 and 26,086.40 is: 39,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.72 : 42,883.92 = 26,086.40 : x
  2. Step 2: Convert to fraction form
    28,608.72/42,883.92 = 26,086.40/x
  3. Step 3: Cross multiply
    28,608.72x = 42,883.92 × 26,086.40
  4. Step 4: Simplify right side
    28,608.72x = 1,118,687,090.69
  5. Step 5: Solve for x
    x = 1,118,687,090.69/28,608.72
  6. Step 6: Final answer
    x = 39,103.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.