Home / 27,770.48-38,323.10-15,023.62

Finding the Fourth Proportional to 27,770.48, 38,323.10 and 15,023.62

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Solution

The fourth proportional to 27,770.48, 38,323.10 and 15,023.62 is: 20,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.48 : 38,323.10 = 15,023.62 : x
  2. Step 2: Convert to fraction form
    27,770.48/38,323.10 = 15,023.62/x
  3. Step 3: Cross multiply
    27,770.48x = 38,323.10 × 15,023.62
  4. Step 4: Simplify right side
    27,770.48x = 575,751,820.77
  5. Step 5: Solve for x
    x = 575,751,820.77/27,770.48
  6. Step 6: Final answer
    x = 20,732.51

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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.