Home / 28,989.77-40,086.41-23,011.06

Finding the Fourth Proportional to 28,989.77, 40,086.41 and 23,011.06

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Solution

The fourth proportional to 28,989.77, 40,086.41 and 23,011.06 is: 31,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.77 : 40,086.41 = 23,011.06 : x
  2. Step 2: Convert to fraction form
    28,989.77/40,086.41 = 23,011.06/x
  3. Step 3: Cross multiply
    28,989.77x = 40,086.41 × 23,011.06
  4. Step 4: Simplify right side
    28,989.77x = 922,430,785.69
  5. Step 5: Solve for x
    x = 922,430,785.69/28,989.77
  6. Step 6: Final answer
    x = 31,819.18

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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.