Home / 27,256.48-40,893.36-20,690.08

Finding the Fourth Proportional to 27,256.48, 40,893.36 and 20,690.08

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Solution

The fourth proportional to 27,256.48, 40,893.36 and 20,690.08 is: 31,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.48 : 40,893.36 = 20,690.08 : x
  2. Step 2: Convert to fraction form
    27,256.48/40,893.36 = 20,690.08/x
  3. Step 3: Cross multiply
    27,256.48x = 40,893.36 × 20,690.08
  4. Step 4: Simplify right side
    27,256.48x = 846,086,889.87
  5. Step 5: Solve for x
    x = 846,086,889.87/27,256.48
  6. Step 6: Final answer
    x = 31,041.68

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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.