Home / 26,181.82-36,130.62-15,571.63

Finding the Fourth Proportional to 26,181.82, 36,130.62 and 15,571.63

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Solution

The fourth proportional to 26,181.82, 36,130.62 and 15,571.63 is: 21,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.82 : 36,130.62 = 15,571.63 : x
  2. Step 2: Convert to fraction form
    26,181.82/36,130.62 = 15,571.63/x
  3. Step 3: Cross multiply
    26,181.82x = 36,130.62 × 15,571.63
  4. Step 4: Simplify right side
    26,181.82x = 562,612,646.31
  5. Step 5: Solve for x
    x = 562,612,646.31/26,181.82
  6. Step 6: Final answer
    x = 21,488.68

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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.