Home / 28,757.52-43,154.72-13,958.37

Finding the Fourth Proportional to 28,757.52, 43,154.72 and 13,958.37

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Solution

The fourth proportional to 28,757.52, 43,154.72 and 13,958.37 is: 20,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.52 : 43,154.72 = 13,958.37 : x
  2. Step 2: Convert to fraction form
    28,757.52/43,154.72 = 13,958.37/x
  3. Step 3: Cross multiply
    28,757.52x = 43,154.72 × 13,958.37
  4. Step 4: Simplify right side
    28,757.52x = 602,369,479.21
  5. Step 5: Solve for x
    x = 602,369,479.21/28,757.52
  6. Step 6: Final answer
    x = 20,946.50

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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.