Home / 28,176.99-38,884.19-16,240.25

Finding the Fourth Proportional to 28,176.99, 38,884.19 and 16,240.25

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Solution

The fourth proportional to 28,176.99, 38,884.19 and 16,240.25 is: 22,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.99 : 38,884.19 = 16,240.25 : x
  2. Step 2: Convert to fraction form
    28,176.99/38,884.19 = 16,240.25/x
  3. Step 3: Cross multiply
    28,176.99x = 38,884.19 × 16,240.25
  4. Step 4: Simplify right side
    28,176.99x = 631,488,691.03
  5. Step 5: Solve for x
    x = 631,488,691.03/28,176.99
  6. Step 6: Final answer
    x = 22,411.50

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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.