Home / 28,385.77-42,553.95-11,735.41

Finding the Fourth Proportional to 28,385.77, 42,553.95 and 11,735.41

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Solution

The fourth proportional to 28,385.77, 42,553.95 and 11,735.41 is: 17,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385.77 : 42,553.95 = 11,735.41 : x
  2. Step 2: Convert to fraction form
    28,385.77/42,553.95 = 11,735.41/x
  3. Step 3: Cross multiply
    28,385.77x = 42,553.95 × 11,735.41
  4. Step 4: Simplify right side
    28,385.77x = 499,388,050.37
  5. Step 5: Solve for x
    x = 499,388,050.37/28,385.77
  6. Step 6: Final answer
    x = 17,592.90

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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.