Home / 28,900.42-39,882.07-16,153.85

Finding the Fourth Proportional to 28,900.42, 39,882.07 and 16,153.85

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Solution

The fourth proportional to 28,900.42, 39,882.07 and 16,153.85 is: 22,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.42 : 39,882.07 = 16,153.85 : x
  2. Step 2: Convert to fraction form
    28,900.42/39,882.07 = 16,153.85/x
  3. Step 3: Cross multiply
    28,900.42x = 39,882.07 × 16,153.85
  4. Step 4: Simplify right side
    28,900.42x = 644,248,976.47
  5. Step 5: Solve for x
    x = 644,248,976.47/28,900.42
  6. Step 6: Final answer
    x = 22,292.03

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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.