Home / 25,170.43-34,735.32-13,840.65

Finding the Fourth Proportional to 25,170.43, 34,735.32 and 13,840.65

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Solution

The fourth proportional to 25,170.43, 34,735.32 and 13,840.65 is: 19,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.43 : 34,735.32 = 13,840.65 : x
  2. Step 2: Convert to fraction form
    25,170.43/34,735.32 = 13,840.65/x
  3. Step 3: Cross multiply
    25,170.43x = 34,735.32 × 13,840.65
  4. Step 4: Simplify right side
    25,170.43x = 480,759,337.55
  5. Step 5: Solve for x
    x = 480,759,337.55/25,170.43
  6. Step 6: Final answer
    x = 19,100.17

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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.