Home / 26,775.70-36,949.83-15,445.21

Finding the Fourth Proportional to 26,775.70, 36,949.83 and 15,445.21

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Solution

The fourth proportional to 26,775.70, 36,949.83 and 15,445.21 is: 21,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.70 : 36,949.83 = 15,445.21 : x
  2. Step 2: Convert to fraction form
    26,775.70/36,949.83 = 15,445.21/x
  3. Step 3: Cross multiply
    26,775.70x = 36,949.83 × 15,445.21
  4. Step 4: Simplify right side
    26,775.70x = 570,697,883.81
  5. Step 5: Solve for x
    x = 570,697,883.81/26,775.70
  6. Step 6: Final answer
    x = 21,314.02

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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.