Home / 28,654.16-39,544.53-16,555.16

Finding the Fourth Proportional to 28,654.16, 39,544.53 and 16,555.16

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Solution

The fourth proportional to 28,654.16, 39,544.53 and 16,555.16 is: 22,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654.16 : 39,544.53 = 16,555.16 : x
  2. Step 2: Convert to fraction form
    28,654.16/39,544.53 = 16,555.16/x
  3. Step 3: Cross multiply
    28,654.16x = 39,544.53 × 16,555.16
  4. Step 4: Simplify right side
    28,654.16x = 654,666,021.27
  5. Step 5: Solve for x
    x = 654,666,021.27/28,654.16
  6. Step 6: Final answer
    x = 22,847.15

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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.