Home / 27,851.23-41,779.31-7,860.90

Finding the Fourth Proportional to 27,851.23, 41,779.31 and 7,860.90

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Solution

The fourth proportional to 27,851.23, 41,779.31 and 7,860.90 is: 11,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.23 : 41,779.31 = 7,860.90 : x
  2. Step 2: Convert to fraction form
    27,851.23/41,779.31 = 7,860.90/x
  3. Step 3: Cross multiply
    27,851.23x = 41,779.31 × 7,860.90
  4. Step 4: Simplify right side
    27,851.23x = 328,422,977.98
  5. Step 5: Solve for x
    x = 328,422,977.98/27,851.23
  6. Step 6: Final answer
    x = 11,792.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.