Home / 28,094.51-38,770.99-15,348.21

Finding the Fourth Proportional to 28,094.51, 38,770.99 and 15,348.21

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Solution

The fourth proportional to 28,094.51, 38,770.99 and 15,348.21 is: 21,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.51 : 38,770.99 = 15,348.21 : x
  2. Step 2: Convert to fraction form
    28,094.51/38,770.99 = 15,348.21/x
  3. Step 3: Cross multiply
    28,094.51x = 38,770.99 × 15,348.21
  4. Step 4: Simplify right side
    28,094.51x = 595,065,112.67
  5. Step 5: Solve for x
    x = 595,065,112.67/28,094.51
  6. Step 6: Final answer
    x = 21,180.83

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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.