Home / 26,830.83-37,028.27-15,500.81

Finding the Fourth Proportional to 26,830.83, 37,028.27 and 15,500.81

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Solution

The fourth proportional to 26,830.83, 37,028.27 and 15,500.81 is: 21,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.83 : 37,028.27 = 15,500.81 : x
  2. Step 2: Convert to fraction form
    26,830.83/37,028.27 = 15,500.81/x
  3. Step 3: Cross multiply
    26,830.83x = 37,028.27 × 15,500.81
  4. Step 4: Simplify right side
    26,830.83x = 573,967,915.25
  5. Step 5: Solve for x
    x = 573,967,915.25/26,830.83
  6. Step 6: Final answer
    x = 21,392.10

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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.