Home / 19,226.40-28,840.32-5,375.04

Finding the Fourth Proportional to 19,226.40, 28,840.32 and 5,375.04

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Solution

The fourth proportional to 19,226.40, 28,840.32 and 5,375.04 is: 8,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.40 : 28,840.32 = 5,375.04 : x
  2. Step 2: Convert to fraction form
    19,226.40/28,840.32 = 5,375.04/x
  3. Step 3: Cross multiply
    19,226.40x = 28,840.32 × 5,375.04
  4. Step 4: Simplify right side
    19,226.40x = 155,017,873.61
  5. Step 5: Solve for x
    x = 155,017,873.61/19,226.40
  6. Step 6: Final answer
    x = 8,062.76

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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.