Home / 27,770.35-38,322.93-15,023.50

Finding the Fourth Proportional to 27,770.35, 38,322.93 and 15,023.50

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Solution

The fourth proportional to 27,770.35, 38,322.93 and 15,023.50 is: 20,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.35 : 38,322.93 = 15,023.50 : x
  2. Step 2: Convert to fraction form
    27,770.35/38,322.93 = 15,023.50/x
  3. Step 3: Cross multiply
    27,770.35x = 38,322.93 × 15,023.50
  4. Step 4: Simplify right side
    27,770.35x = 575,744,434.61
  5. Step 5: Solve for x
    x = 575,744,434.61/27,770.35
  6. Step 6: Final answer
    x = 20,732.34

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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.