Home / 28,114.74-38,771.82-18,046.26

Finding the Fourth Proportional to 28,114.74, 38,771.82 and 18,046.26

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Solution

The fourth proportional to 28,114.74, 38,771.82 and 18,046.26 is: 24,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.74 : 38,771.82 = 18,046.26 : x
  2. Step 2: Convert to fraction form
    28,114.74/38,771.82 = 18,046.26/x
  3. Step 3: Cross multiply
    28,114.74x = 38,771.82 × 18,046.26
  4. Step 4: Simplify right side
    28,114.74x = 699,686,344.39
  5. Step 5: Solve for x
    x = 699,686,344.39/28,114.74
  6. Step 6: Final answer
    x = 24,886.82

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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.