Home / 28,620.84-39,500.41-16,045.59

Finding the Fourth Proportional to 28,620.84, 39,500.41 and 16,045.59

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Solution

The fourth proportional to 28,620.84, 39,500.41 and 16,045.59 is: 22,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620.84 : 39,500.41 = 16,045.59 : x
  2. Step 2: Convert to fraction form
    28,620.84/39,500.41 = 16,045.59/x
  3. Step 3: Cross multiply
    28,620.84x = 39,500.41 × 16,045.59
  4. Step 4: Simplify right side
    28,620.84x = 633,807,521.79
  5. Step 5: Solve for x
    x = 633,807,521.79/28,620.84
  6. Step 6: Final answer
    x = 22,144.96

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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.