Home / 19,226.32-28,872.48-10,478.32

Finding the Fourth Proportional to 19,226.32, 28,872.48 and 10,478.32

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Solution

The fourth proportional to 19,226.32, 28,872.48 and 10,478.32 is: 15,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.32 : 28,872.48 = 10,478.32 : x
  2. Step 2: Convert to fraction form
    19,226.32/28,872.48 = 10,478.32/x
  3. Step 3: Cross multiply
    19,226.32x = 28,872.48 × 10,478.32
  4. Step 4: Simplify right side
    19,226.32x = 302,535,084.63
  5. Step 5: Solve for x
    x = 302,535,084.63/19,226.32
  6. Step 6: Final answer
    x = 15,735.46

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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.