Home / 26,282.48-36,283.20-20,300.72

Finding the Fourth Proportional to 26,282.48, 36,283.20 and 20,300.72

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Solution

The fourth proportional to 26,282.48, 36,283.20 and 20,300.72 is: 28,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,282.48 : 36,283.20 = 20,300.72 : x
  2. Step 2: Convert to fraction form
    26,282.48/36,283.20 = 20,300.72/x
  3. Step 3: Cross multiply
    26,282.48x = 36,283.20 × 20,300.72
  4. Step 4: Simplify right side
    26,282.48x = 736,575,083.90
  5. Step 5: Solve for x
    x = 736,575,083.90/26,282.48
  6. Step 6: Final answer
    x = 28,025.33

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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.