Home / 19,185.47-28,792.99-15,446.40

Finding the Fourth Proportional to 19,185.47, 28,792.99 and 15,446.40

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Solution

The fourth proportional to 19,185.47, 28,792.99 and 15,446.40 is: 23,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.47 : 28,792.99 = 15,446.40 : x
  2. Step 2: Convert to fraction form
    19,185.47/28,792.99 = 15,446.40/x
  3. Step 3: Cross multiply
    19,185.47x = 28,792.99 × 15,446.40
  4. Step 4: Simplify right side
    19,185.47x = 444,747,963.50
  5. Step 5: Solve for x
    x = 444,747,963.50/19,185.47
  6. Step 6: Final answer
    x = 23,181.50

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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.