Home / 28,741.83-39,663.23-15,995.87

Finding the Fourth Proportional to 28,741.83, 39,663.23 and 15,995.87

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Solution

The fourth proportional to 28,741.83, 39,663.23 and 15,995.87 is: 22,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.83 : 39,663.23 = 15,995.87 : x
  2. Step 2: Convert to fraction form
    28,741.83/39,663.23 = 15,995.87/x
  3. Step 3: Cross multiply
    28,741.83x = 39,663.23 × 15,995.87
  4. Step 4: Simplify right side
    28,741.83x = 634,447,592.56
  5. Step 5: Solve for x
    x = 634,447,592.56/28,741.83
  6. Step 6: Final answer
    x = 22,074.02

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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.