Home / 28,582.38-39,443.88-16,007.13

Finding the Fourth Proportional to 28,582.38, 39,443.88 and 16,007.13

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Solution

The fourth proportional to 28,582.38, 39,443.88 and 16,007.13 is: 22,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.38 : 39,443.88 = 16,007.13 : x
  2. Step 2: Convert to fraction form
    28,582.38/39,443.88 = 16,007.13/x
  3. Step 3: Cross multiply
    28,582.38x = 39,443.88 × 16,007.13
  4. Step 4: Simplify right side
    28,582.38x = 631,383,314.86
  5. Step 5: Solve for x
    x = 631,383,314.86/28,582.38
  6. Step 6: Final answer
    x = 22,089.95

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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.