Home / 28,469.62-42,719.01-15,334.66

Finding the Fourth Proportional to 28,469.62, 42,719.01 and 15,334.66

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Solution

The fourth proportional to 28,469.62, 42,719.01 and 15,334.66 is: 23,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469.62 : 42,719.01 = 15,334.66 : x
  2. Step 2: Convert to fraction form
    28,469.62/42,719.01 = 15,334.66/x
  3. Step 3: Cross multiply
    28,469.62x = 42,719.01 × 15,334.66
  4. Step 4: Simplify right side
    28,469.62x = 655,081,493.89
  5. Step 5: Solve for x
    x = 655,081,493.89/28,469.62
  6. Step 6: Final answer
    x = 23,009.84

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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.