Home / 26,831.58-40,254.66-19,089.60

Finding the Fourth Proportional to 26,831.58, 40,254.66 and 19,089.60

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Solution

The fourth proportional to 26,831.58, 40,254.66 and 19,089.60 is: 28,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.58 : 40,254.66 = 19,089.60 : x
  2. Step 2: Convert to fraction form
    26,831.58/40,254.66 = 19,089.60/x
  3. Step 3: Cross multiply
    26,831.58x = 40,254.66 × 19,089.60
  4. Step 4: Simplify right side
    26,831.58x = 768,445,357.54
  5. Step 5: Solve for x
    x = 768,445,357.54/26,831.58
  6. Step 6: Final answer
    x = 28,639.59

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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.