Home / 28,822.32-39,771.27-16,882.92

Finding the Fourth Proportional to 28,822.32, 39,771.27 and 16,882.92

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Solution

The fourth proportional to 28,822.32, 39,771.27 and 16,882.92 is: 23,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.32 : 39,771.27 = 16,882.92 : x
  2. Step 2: Convert to fraction form
    28,822.32/39,771.27 = 16,882.92/x
  3. Step 3: Cross multiply
    28,822.32x = 39,771.27 × 16,882.92
  4. Step 4: Simplify right side
    28,822.32x = 671,455,169.71
  5. Step 5: Solve for x
    x = 671,455,169.71/28,822.32
  6. Step 6: Final answer
    x = 23,296.36

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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.