Home / 28,803.62-39,747.56-16,225.94

Finding the Fourth Proportional to 28,803.62, 39,747.56 and 16,225.94

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Solution

The fourth proportional to 28,803.62, 39,747.56 and 16,225.94 is: 22,390.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.62 : 39,747.56 = 16,225.94 : x
  2. Step 2: Convert to fraction form
    28,803.62/39,747.56 = 16,225.94/x
  3. Step 3: Cross multiply
    28,803.62x = 39,747.56 × 16,225.94
  4. Step 4: Simplify right side
    28,803.62x = 644,941,523.71
  5. Step 5: Solve for x
    x = 644,941,523.71/28,803.62
  6. Step 6: Final answer
    x = 22,390.99

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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.