Home / 28,551.14-42,808.44-13,730.54

Finding the Fourth Proportional to 28,551.14, 42,808.44 and 13,730.54

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Solution

The fourth proportional to 28,551.14, 42,808.44 and 13,730.54 is: 20,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551.14 : 42,808.44 = 13,730.54 : x
  2. Step 2: Convert to fraction form
    28,551.14/42,808.44 = 13,730.54/x
  3. Step 3: Cross multiply
    28,551.14x = 42,808.44 × 13,730.54
  4. Step 4: Simplify right side
    28,551.14x = 587,782,997.76
  5. Step 5: Solve for x
    x = 587,782,997.76/28,551.14
  6. Step 6: Final answer
    x = 20,587.02

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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.