Home / 28,823.04-39,775.86-16,077.42

Finding the Fourth Proportional to 28,823.04, 39,775.86 and 16,077.42

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Solution

The fourth proportional to 28,823.04, 39,775.86 and 16,077.42 is: 22,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.04 : 39,775.86 = 16,077.42 : x
  2. Step 2: Convert to fraction form
    28,823.04/39,775.86 = 16,077.42/x
  3. Step 3: Cross multiply
    28,823.04x = 39,775.86 × 16,077.42
  4. Step 4: Simplify right side
    28,823.04x = 639,493,207.08
  5. Step 5: Solve for x
    x = 639,493,207.08/28,823.04
  6. Step 6: Final answer
    x = 22,186.88

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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.