Home / 27,452.02-37,879.70-15,515.26

Finding the Fourth Proportional to 27,452.02, 37,879.70 and 15,515.26

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Solution

The fourth proportional to 27,452.02, 37,879.70 and 15,515.26 is: 21,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,452.02 : 37,879.70 = 15,515.26 : x
  2. Step 2: Convert to fraction form
    27,452.02/37,879.70 = 15,515.26/x
  3. Step 3: Cross multiply
    27,452.02x = 37,879.70 × 15,515.26
  4. Step 4: Simplify right side
    27,452.02x = 587,713,394.22
  5. Step 5: Solve for x
    x = 587,713,394.22/27,452.02
  6. Step 6: Final answer
    x = 21,408.75

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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.