Home / 25,897.44-38,828.16-13,222.56

Finding the Fourth Proportional to 25,897.44, 38,828.16 and 13,222.56

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Solution

The fourth proportional to 25,897.44, 38,828.16 and 13,222.56 is: 19,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897.44 : 38,828.16 = 13,222.56 : x
  2. Step 2: Convert to fraction form
    25,897.44/38,828.16 = 13,222.56/x
  3. Step 3: Cross multiply
    25,897.44x = 38,828.16 × 13,222.56
  4. Step 4: Simplify right side
    25,897.44x = 513,407,675.29
  5. Step 5: Solve for x
    x = 513,407,675.29/25,897.44
  6. Step 6: Final answer
    x = 19,824.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.