Home / 28,881.96-39,853.14-16,133.52

Finding the Fourth Proportional to 28,881.96, 39,853.14 and 16,133.52

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Solution

The fourth proportional to 28,881.96, 39,853.14 and 16,133.52 is: 22,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.96 : 39,853.14 = 16,133.52 : x
  2. Step 2: Convert to fraction form
    28,881.96/39,853.14 = 16,133.52/x
  3. Step 3: Cross multiply
    28,881.96x = 39,853.14 × 16,133.52
  4. Step 4: Simplify right side
    28,881.96x = 642,971,431.25
  5. Step 5: Solve for x
    x = 642,971,431.25/28,881.96
  6. Step 6: Final answer
    x = 22,262.04

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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.