Home / 26,278.08-36,278.64-18,223.44

Finding the Fourth Proportional to 26,278.08, 36,278.64 and 18,223.44

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Solution

The fourth proportional to 26,278.08, 36,278.64 and 18,223.44 is: 25,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.08 : 36,278.64 = 18,223.44 : x
  2. Step 2: Convert to fraction form
    26,278.08/36,278.64 = 18,223.44/x
  3. Step 3: Cross multiply
    26,278.08x = 36,278.64 × 18,223.44
  4. Step 4: Simplify right side
    26,278.08x = 661,121,619.32
  5. Step 5: Solve for x
    x = 661,121,619.32/26,278.08
  6. Step 6: Final answer
    x = 25,158.67

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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.