Home / 20,023.05-27,630.69-11,070.03

Finding the Fourth Proportional to 20,023.05, 27,630.69 and 11,070.03

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Solution

The fourth proportional to 20,023.05, 27,630.69 and 11,070.03 is: 15,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.05 : 27,630.69 = 11,070.03 : x
  2. Step 2: Convert to fraction form
    20,023.05/27,630.69 = 11,070.03/x
  3. Step 3: Cross multiply
    20,023.05x = 27,630.69 × 11,070.03
  4. Step 4: Simplify right side
    20,023.05x = 305,872,567.22
  5. Step 5: Solve for x
    x = 305,872,567.22/20,023.05
  6. Step 6: Final answer
    x = 15,276.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.