Home / 28,469.24-42,729.93-14,438.96

Finding the Fourth Proportional to 28,469.24, 42,729.93 and 14,438.96

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Solution

The fourth proportional to 28,469.24, 42,729.93 and 14,438.96 is: 21,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469.24 : 42,729.93 = 14,438.96 : x
  2. Step 2: Convert to fraction form
    28,469.24/42,729.93 = 14,438.96/x
  3. Step 3: Cross multiply
    28,469.24x = 42,729.93 × 14,438.96
  4. Step 4: Simplify right side
    28,469.24x = 616,975,696.66
  5. Step 5: Solve for x
    x = 616,975,696.66/28,469.24
  6. Step 6: Final answer
    x = 21,671.66

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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.