Home / 25,107.90-34,647.74-13,777.11

Finding the Fourth Proportional to 25,107.90, 34,647.74 and 13,777.11

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Solution

The fourth proportional to 25,107.90, 34,647.74 and 13,777.11 is: 19,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.90 : 34,647.74 = 13,777.11 : x
  2. Step 2: Convert to fraction form
    25,107.90/34,647.74 = 13,777.11/x
  3. Step 3: Cross multiply
    25,107.90x = 34,647.74 × 13,777.11
  4. Step 4: Simplify right side
    25,107.90x = 477,345,766.71
  5. Step 5: Solve for x
    x = 477,345,766.71/25,107.90
  6. Step 6: Final answer
    x = 19,011.78

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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.