Home / 28,416.58-39,217.53-15,841.06

Finding the Fourth Proportional to 28,416.58, 39,217.53 and 15,841.06

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Solution

The fourth proportional to 28,416.58, 39,217.53 and 15,841.06 is: 21,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.58 : 39,217.53 = 15,841.06 : x
  2. Step 2: Convert to fraction form
    28,416.58/39,217.53 = 15,841.06/x
  3. Step 3: Cross multiply
    28,416.58x = 39,217.53 × 15,841.06
  4. Step 4: Simplify right side
    28,416.58x = 621,247,245.78
  5. Step 5: Solve for x
    x = 621,247,245.78/28,416.58
  6. Step 6: Final answer
    x = 21,862.14

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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.