Home / 28,271.21-42,358.21-22,028.81

Finding the Fourth Proportional to 28,271.21, 42,358.21 and 22,028.81

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Solution

The fourth proportional to 28,271.21, 42,358.21 and 22,028.81 is: 33,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271.21 : 42,358.21 = 22,028.81 : x
  2. Step 2: Convert to fraction form
    28,271.21/42,358.21 = 22,028.81/x
  3. Step 3: Cross multiply
    28,271.21x = 42,358.21 × 22,028.81
  4. Step 4: Simplify right side
    28,271.21x = 933,100,693.17
  5. Step 5: Solve for x
    x = 933,100,693.17/28,271.21
  6. Step 6: Final answer
    x = 33,005.34

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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.