Home / 25,220.09-34,804.44-13,889.87

Finding the Fourth Proportional to 25,220.09, 34,804.44 and 13,889.87

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Solution

The fourth proportional to 25,220.09, 34,804.44 and 13,889.87 is: 19,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.09 : 34,804.44 = 13,889.87 : x
  2. Step 2: Convert to fraction form
    25,220.09/34,804.44 = 13,889.87/x
  3. Step 3: Cross multiply
    25,220.09x = 34,804.44 × 13,889.87
  4. Step 4: Simplify right side
    25,220.09x = 483,428,973.00
  5. Step 5: Solve for x
    x = 483,428,973.00/25,220.09
  6. Step 6: Final answer
    x = 19,168.41

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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.