Home / 28,871.66-39,842.59-16,296.94

Finding the Fourth Proportional to 28,871.66, 39,842.59 and 16,296.94

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Solution

The fourth proportional to 28,871.66, 39,842.59 and 16,296.94 is: 22,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.66 : 39,842.59 = 16,296.94 : x
  2. Step 2: Convert to fraction form
    28,871.66/39,842.59 = 16,296.94/x
  3. Step 3: Cross multiply
    28,871.66x = 39,842.59 × 16,296.94
  4. Step 4: Simplify right side
    28,871.66x = 649,312,298.67
  5. Step 5: Solve for x
    x = 649,312,298.67/28,871.66
  6. Step 6: Final answer
    x = 22,489.61

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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.