Home / 25,515.30-38,272.97-13,902.33

Finding the Fourth Proportional to 25,515.30, 38,272.97 and 13,902.33

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Solution

The fourth proportional to 25,515.30, 38,272.97 and 13,902.33 is: 20,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.30 : 38,272.97 = 13,902.33 : x
  2. Step 2: Convert to fraction form
    25,515.30/38,272.97 = 13,902.33/x
  3. Step 3: Cross multiply
    25,515.30x = 38,272.97 × 13,902.33
  4. Step 4: Simplify right side
    25,515.30x = 532,083,389.51
  5. Step 5: Solve for x
    x = 532,083,389.51/25,515.30
  6. Step 6: Final answer
    x = 20,853.50

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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.