Home / 26,390.48-36,409.82-15,051.78

Finding the Fourth Proportional to 26,390.48, 36,409.82 and 15,051.78

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Solution

The fourth proportional to 26,390.48, 36,409.82 and 15,051.78 is: 20,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.48 : 36,409.82 = 15,051.78 : x
  2. Step 2: Convert to fraction form
    26,390.48/36,409.82 = 15,051.78/x
  3. Step 3: Cross multiply
    26,390.48x = 36,409.82 × 15,051.78
  4. Step 4: Simplify right side
    26,390.48x = 548,032,525.22
  5. Step 5: Solve for x
    x = 548,032,525.22/26,390.48
  6. Step 6: Final answer
    x = 20,766.30

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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.