Home / 28,645.29-39,530.79-16,544.88

Finding the Fourth Proportional to 28,645.29, 39,530.79 and 16,544.88

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Solution

The fourth proportional to 28,645.29, 39,530.79 and 16,544.88 is: 22,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.29 : 39,530.79 = 16,544.88 : x
  2. Step 2: Convert to fraction form
    28,645.29/39,530.79 = 16,544.88/x
  3. Step 3: Cross multiply
    28,645.29x = 39,530.79 × 16,544.88
  4. Step 4: Simplify right side
    28,645.29x = 654,032,176.86
  5. Step 5: Solve for x
    x = 654,032,176.86/28,645.29
  6. Step 6: Final answer
    x = 22,832.10

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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.