Home / 28,029.95-42,053.99-16,783.50

Finding the Fourth Proportional to 28,029.95, 42,053.99 and 16,783.50

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Solution

The fourth proportional to 28,029.95, 42,053.99 and 16,783.50 is: 25,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.95 : 42,053.99 = 16,783.50 : x
  2. Step 2: Convert to fraction form
    28,029.95/42,053.99 = 16,783.50/x
  3. Step 3: Cross multiply
    28,029.95x = 42,053.99 × 16,783.50
  4. Step 4: Simplify right side
    28,029.95x = 705,813,214.95
  5. Step 5: Solve for x
    x = 705,813,214.95/28,029.95
  6. Step 6: Final answer
    x = 25,180.68

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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.