Home / 28,729.58-39,646.24-15,982.49

Finding the Fourth Proportional to 28,729.58, 39,646.24 and 15,982.49

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Solution

The fourth proportional to 28,729.58, 39,646.24 and 15,982.49 is: 22,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,729.58 : 39,646.24 = 15,982.49 : x
  2. Step 2: Convert to fraction form
    28,729.58/39,646.24 = 15,982.49/x
  3. Step 3: Cross multiply
    28,729.58x = 39,646.24 × 15,982.49
  4. Step 4: Simplify right side
    28,729.58x = 633,645,693.50
  5. Step 5: Solve for x
    x = 633,645,693.50/28,729.58
  6. Step 6: Final answer
    x = 22,055.52

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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.