Home / 19,273.10-28,878.60-10,928.30

Finding the Fourth Proportional to 19,273.10, 28,878.60 and 10,928.30

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Solution

The fourth proportional to 19,273.10, 28,878.60 and 10,928.30 is: 16,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.10 : 28,878.60 = 10,928.30 : x
  2. Step 2: Convert to fraction form
    19,273.10/28,878.60 = 10,928.30/x
  3. Step 3: Cross multiply
    19,273.10x = 28,878.60 × 10,928.30
  4. Step 4: Simplify right side
    19,273.10x = 315,594,004.38
  5. Step 5: Solve for x
    x = 315,594,004.38/19,273.10
  6. Step 6: Final answer
    x = 16,374.84

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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.