Home / 26,763-36,935.46-15,432.72

Finding the Fourth Proportional to 26,763, 36,935.46 and 15,432.72

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Solution

The fourth proportional to 26,763, 36,935.46 and 15,432.72 is: 21,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,763 : 36,935.46 = 15,432.72 : x
  2. Step 2: Convert to fraction form
    26,763/36,935.46 = 15,432.72/x
  3. Step 3: Cross multiply
    26,763x = 36,935.46 × 15,432.72
  4. Step 4: Simplify right side
    26,763x = 570,014,612.25
  5. Step 5: Solve for x
    x = 570,014,612.25/26,763
  6. Step 6: Final answer
    x = 21,298.61

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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.