Home / 28,765.26-43,154.64-9,043.74

Finding the Fourth Proportional to 28,765.26, 43,154.64 and 9,043.74

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Solution

The fourth proportional to 28,765.26, 43,154.64 and 9,043.74 is: 13,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.26 : 43,154.64 = 9,043.74 : x
  2. Step 2: Convert to fraction form
    28,765.26/43,154.64 = 9,043.74/x
  3. Step 3: Cross multiply
    28,765.26x = 43,154.64 × 9,043.74
  4. Step 4: Simplify right side
    28,765.26x = 390,279,343.95
  5. Step 5: Solve for x
    x = 390,279,343.95/28,765.26
  6. Step 6: Final answer
    x = 13,567.73

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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.