Home / 25,440.89-35,107.93-13,955.84

Finding the Fourth Proportional to 25,440.89, 35,107.93 and 13,955.84

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Solution

The fourth proportional to 25,440.89, 35,107.93 and 13,955.84 is: 19,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.89 : 35,107.93 = 13,955.84 : x
  2. Step 2: Convert to fraction form
    25,440.89/35,107.93 = 13,955.84/x
  3. Step 3: Cross multiply
    25,440.89x = 35,107.93 × 13,955.84
  4. Step 4: Simplify right side
    25,440.89x = 489,960,824.85
  5. Step 5: Solve for x
    x = 489,960,824.85/25,440.89
  6. Step 6: Final answer
    x = 19,258.80

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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.