Home / 19,027.47-28,500.57-15,453.48

Finding the Fourth Proportional to 19,027.47, 28,500.57 and 15,453.48

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Solution

The fourth proportional to 19,027.47, 28,500.57 and 15,453.48 is: 23,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.47 : 28,500.57 = 15,453.48 : x
  2. Step 2: Convert to fraction form
    19,027.47/28,500.57 = 15,453.48/x
  3. Step 3: Cross multiply
    19,027.47x = 28,500.57 × 15,453.48
  4. Step 4: Simplify right side
    19,027.47x = 440,432,988.48
  5. Step 5: Solve for x
    x = 440,432,988.48/19,027.47
  6. Step 6: Final answer
    x = 23,147.22

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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.