Home / 25,169.85-34,735.20-13,840.16

Finding the Fourth Proportional to 25,169.85, 34,735.20 and 13,840.16

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Solution

The fourth proportional to 25,169.85, 34,735.20 and 13,840.16 is: 19,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.85 : 34,735.20 = 13,840.16 : x
  2. Step 2: Convert to fraction form
    25,169.85/34,735.20 = 13,840.16/x
  3. Step 3: Cross multiply
    25,169.85x = 34,735.20 × 13,840.16
  4. Step 4: Simplify right side
    25,169.85x = 480,740,700.21
  5. Step 5: Solve for x
    x = 480,740,700.21/25,169.85
  6. Step 6: Final answer
    x = 19,099.87

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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.