Home / 28,900.35-39,882.36-16,153.52

Finding the Fourth Proportional to 28,900.35, 39,882.36 and 16,153.52

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Solution

The fourth proportional to 28,900.35, 39,882.36 and 16,153.52 is: 22,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.35 : 39,882.36 = 16,153.52 : x
  2. Step 2: Convert to fraction form
    28,900.35/39,882.36 = 16,153.52/x
  3. Step 3: Cross multiply
    28,900.35x = 39,882.36 × 16,153.52
  4. Step 4: Simplify right side
    28,900.35x = 644,240,300.50
  5. Step 5: Solve for x
    x = 644,240,300.50/28,900.35
  6. Step 6: Final answer
    x = 22,291.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.