Home / 25,220.12-34,804.03-13,889.84

Finding the Fourth Proportional to 25,220.12, 34,804.03 and 13,889.84

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Solution

The fourth proportional to 25,220.12, 34,804.03 and 13,889.84 is: 19,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.12 : 34,804.03 = 13,889.84 : x
  2. Step 2: Convert to fraction form
    25,220.12/34,804.03 = 13,889.84/x
  3. Step 3: Cross multiply
    25,220.12x = 34,804.03 × 13,889.84
  4. Step 4: Simplify right side
    25,220.12x = 483,422,408.06
  5. Step 5: Solve for x
    x = 483,422,408.06/25,220.12
  6. Step 6: Final answer
    x = 19,168.12

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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.