Home / 28,275.67-42,400.34-10,493.95

Finding the Fourth Proportional to 28,275.67, 42,400.34 and 10,493.95

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Solution

The fourth proportional to 28,275.67, 42,400.34 and 10,493.95 is: 15,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.67 : 42,400.34 = 10,493.95 : x
  2. Step 2: Convert to fraction form
    28,275.67/42,400.34 = 10,493.95/x
  3. Step 3: Cross multiply
    28,275.67x = 42,400.34 × 10,493.95
  4. Step 4: Simplify right side
    28,275.67x = 444,946,835.94
  5. Step 5: Solve for x
    x = 444,946,835.94/28,275.67
  6. Step 6: Final answer
    x = 15,736.03

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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.