Home / 28,985.44-43,494.30-15,658.16

Finding the Fourth Proportional to 28,985.44, 43,494.30 and 15,658.16

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Solution

The fourth proportional to 28,985.44, 43,494.30 and 15,658.16 is: 23,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985.44 : 43,494.30 = 15,658.16 : x
  2. Step 2: Convert to fraction form
    28,985.44/43,494.30 = 15,658.16/x
  3. Step 3: Cross multiply
    28,985.44x = 43,494.30 × 15,658.16
  4. Step 4: Simplify right side
    28,985.44x = 681,040,708.49
  5. Step 5: Solve for x
    x = 681,040,708.49/28,985.44
  6. Step 6: Final answer
    x = 23,495.96

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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.