Home / 27,400.80-37,757.32-18,905.52

Finding the Fourth Proportional to 27,400.80, 37,757.32 and 18,905.52

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Solution

The fourth proportional to 27,400.80, 37,757.32 and 18,905.52 is: 26,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.80 : 37,757.32 = 18,905.52 : x
  2. Step 2: Convert to fraction form
    27,400.80/37,757.32 = 18,905.52/x
  3. Step 3: Cross multiply
    27,400.80x = 37,757.32 × 18,905.52
  4. Step 4: Simplify right side
    27,400.80x = 713,821,768.41
  5. Step 5: Solve for x
    x = 713,821,768.41/27,400.80
  6. Step 6: Final answer
    x = 26,051.13

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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.