Home / 19,228.89-28,792.99-15,460.65

Finding the Fourth Proportional to 19,228.89, 28,792.99 and 15,460.65

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Solution

The fourth proportional to 19,228.89, 28,792.99 and 15,460.65 is: 23,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.89 : 28,792.99 = 15,460.65 : x
  2. Step 2: Convert to fraction form
    19,228.89/28,792.99 = 15,460.65/x
  3. Step 3: Cross multiply
    19,228.89x = 28,792.99 × 15,460.65
  4. Step 4: Simplify right side
    19,228.89x = 445,158,322.67
  5. Step 5: Solve for x
    x = 445,158,322.67/19,228.89
  6. Step 6: Final answer
    x = 23,150.49

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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.