Home / 28,975.11-43,469.34-9,253.63

Finding the Fourth Proportional to 28,975.11, 43,469.34 and 9,253.63

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Solution

The fourth proportional to 28,975.11, 43,469.34 and 9,253.63 is: 13,882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.11 : 43,469.34 = 9,253.63 : x
  2. Step 2: Convert to fraction form
    28,975.11/43,469.34 = 9,253.63/x
  3. Step 3: Cross multiply
    28,975.11x = 43,469.34 × 9,253.63
  4. Step 4: Simplify right side
    28,975.11x = 402,249,188.70
  5. Step 5: Solve for x
    x = 402,249,188.70/28,975.11
  6. Step 6: Final answer
    x = 13,882.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.