Home / 28,035.22-42,052.83-13,245.63

Finding the Fourth Proportional to 28,035.22, 42,052.83 and 13,245.63

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Solution

The fourth proportional to 28,035.22, 42,052.83 and 13,245.63 is: 19,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.22 : 42,052.83 = 13,245.63 : x
  2. Step 2: Convert to fraction form
    28,035.22/42,052.83 = 13,245.63/x
  3. Step 3: Cross multiply
    28,035.22x = 42,052.83 × 13,245.63
  4. Step 4: Simplify right side
    28,035.22x = 557,016,226.63
  5. Step 5: Solve for x
    x = 557,016,226.63/28,035.22
  6. Step 6: Final answer
    x = 19,868.45

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Double scale
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Similar ratio
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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.