Home / 27,627.12-38,125.80-15,051.84

Finding the Fourth Proportional to 27,627.12, 38,125.80 and 15,051.84

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Solution

The fourth proportional to 27,627.12, 38,125.80 and 15,051.84 is: 20,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,627.12 : 38,125.80 = 15,051.84 : x
  2. Step 2: Convert to fraction form
    27,627.12/38,125.80 = 15,051.84/x
  3. Step 3: Cross multiply
    27,627.12x = 38,125.80 × 15,051.84
  4. Step 4: Simplify right side
    27,627.12x = 573,863,441.47
  5. Step 5: Solve for x
    x = 573,863,441.47/27,627.12
  6. Step 6: Final answer
    x = 20,771.74

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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.