Home / 19,477.44-29,221.28-5,627.84

Finding the Fourth Proportional to 19,477.44, 29,221.28 and 5,627.84

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Solution

The fourth proportional to 19,477.44, 29,221.28 and 5,627.84 is: 8,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.44 : 29,221.28 = 5,627.84 : x
  2. Step 2: Convert to fraction form
    19,477.44/29,221.28 = 5,627.84/x
  3. Step 3: Cross multiply
    19,477.44x = 29,221.28 × 5,627.84
  4. Step 4: Simplify right side
    19,477.44x = 164,452,688.44
  5. Step 5: Solve for x
    x = 164,452,688.44/19,477.44
  6. Step 6: Final answer
    x = 8,443.24

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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.