Home / 19,242.44-28,841.64-8,720.48

Finding the Fourth Proportional to 19,242.44, 28,841.64 and 8,720.48

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Solution

The fourth proportional to 19,242.44, 28,841.64 and 8,720.48 is: 13,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.44 : 28,841.64 = 8,720.48 : x
  2. Step 2: Convert to fraction form
    19,242.44/28,841.64 = 8,720.48/x
  3. Step 3: Cross multiply
    19,242.44x = 28,841.64 × 8,720.48
  4. Step 4: Simplify right side
    19,242.44x = 251,512,944.79
  5. Step 5: Solve for x
    x = 251,512,944.79/19,242.44
  6. Step 6: Final answer
    x = 13,070.74

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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.