Home / 25,169.90-34,735.36-13,840.26

Finding the Fourth Proportional to 25,169.90, 34,735.36 and 13,840.26

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Solution

The fourth proportional to 25,169.90, 34,735.36 and 13,840.26 is: 19,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.90 : 34,735.36 = 13,840.26 : x
  2. Step 2: Convert to fraction form
    25,169.90/34,735.36 = 13,840.26/x
  3. Step 3: Cross multiply
    25,169.90x = 34,735.36 × 13,840.26
  4. Step 4: Simplify right side
    25,169.90x = 480,746,378.99
  5. Step 5: Solve for x
    x = 480,746,378.99/25,169.90
  6. Step 6: Final answer
    x = 19,100.05

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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.