Home / 28,348.24-42,503.14-15,876.84

Finding the Fourth Proportional to 28,348.24, 42,503.14 and 15,876.84

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Solution

The fourth proportional to 28,348.24, 42,503.14 and 15,876.84 is: 23,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.24 : 42,503.14 = 15,876.84 : x
  2. Step 2: Convert to fraction form
    28,348.24/42,503.14 = 15,876.84/x
  3. Step 3: Cross multiply
    28,348.24x = 42,503.14 × 15,876.84
  4. Step 4: Simplify right side
    28,348.24x = 674,815,553.28
  5. Step 5: Solve for x
    x = 674,815,553.28/28,348.24
  6. Step 6: Final answer
    x = 23,804.50

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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.