Home / 28,284.91-39,036.27-16,186.51

Finding the Fourth Proportional to 28,284.91, 39,036.27 and 16,186.51

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Solution

The fourth proportional to 28,284.91, 39,036.27 and 16,186.51 is: 22,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.91 : 39,036.27 = 16,186.51 : x
  2. Step 2: Convert to fraction form
    28,284.91/39,036.27 = 16,186.51/x
  3. Step 3: Cross multiply
    28,284.91x = 39,036.27 × 16,186.51
  4. Step 4: Simplify right side
    28,284.91x = 631,860,974.72
  5. Step 5: Solve for x
    x = 631,860,974.72/28,284.91
  6. Step 6: Final answer
    x = 22,339.15

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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.