Home / 28,592.45-39,459.16-15,845.37

Finding the Fourth Proportional to 28,592.45, 39,459.16 and 15,845.37

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Solution

The fourth proportional to 28,592.45, 39,459.16 and 15,845.37 is: 21,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.45 : 39,459.16 = 15,845.37 : x
  2. Step 2: Convert to fraction form
    28,592.45/39,459.16 = 15,845.37/x
  3. Step 3: Cross multiply
    28,592.45x = 39,459.16 × 15,845.37
  4. Step 4: Simplify right side
    28,592.45x = 625,244,990.09
  5. Step 5: Solve for x
    x = 625,244,990.09/28,592.45
  6. Step 6: Final answer
    x = 21,867.49

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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.