Home / 28,540.62-39,389.02-16,441.52

Finding the Fourth Proportional to 28,540.62, 39,389.02 and 16,441.52

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Solution

The fourth proportional to 28,540.62, 39,389.02 and 16,441.52 is: 22,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.62 : 39,389.02 = 16,441.52 : x
  2. Step 2: Convert to fraction form
    28,540.62/39,389.02 = 16,441.52/x
  3. Step 3: Cross multiply
    28,540.62x = 39,389.02 × 16,441.52
  4. Step 4: Simplify right side
    28,540.62x = 647,615,360.11
  5. Step 5: Solve for x
    x = 647,615,360.11/28,540.62
  6. Step 6: Final answer
    x = 22,691.01

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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.