Home / 28,146.84-38,839.33-16,210.68

Finding the Fourth Proportional to 28,146.84, 38,839.33 and 16,210.68

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Solution

The fourth proportional to 28,146.84, 38,839.33 and 16,210.68 is: 22,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146.84 : 38,839.33 = 16,210.68 : x
  2. Step 2: Convert to fraction form
    28,146.84/38,839.33 = 16,210.68/x
  3. Step 3: Cross multiply
    28,146.84x = 38,839.33 × 16,210.68
  4. Step 4: Simplify right side
    28,146.84x = 629,611,950.04
  5. Step 5: Solve for x
    x = 629,611,950.04/28,146.84
  6. Step 6: Final answer
    x = 22,368.83

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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.