Home / 28,822.13-39,775.14-16,246.88

Finding the Fourth Proportional to 28,822.13, 39,775.14 and 16,246.88

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Solution

The fourth proportional to 28,822.13, 39,775.14 and 16,246.88 is: 22,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.13 : 39,775.14 = 16,246.88 : x
  2. Step 2: Convert to fraction form
    28,822.13/39,775.14 = 16,246.88/x
  3. Step 3: Cross multiply
    28,822.13x = 39,775.14 × 16,246.88
  4. Step 4: Simplify right side
    28,822.13x = 646,221,727.69
  5. Step 5: Solve for x
    x = 646,221,727.69/28,822.13
  6. Step 6: Final answer
    x = 22,421.03

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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.