Home / 28,381.84-39,166.92-16,452.10

Finding the Fourth Proportional to 28,381.84, 39,166.92 and 16,452.10

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Solution

The fourth proportional to 28,381.84, 39,166.92 and 16,452.10 is: 22,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.84 : 39,166.92 = 16,452.10 : x
  2. Step 2: Convert to fraction form
    28,381.84/39,166.92 = 16,452.10/x
  3. Step 3: Cross multiply
    28,381.84x = 39,166.92 × 16,452.10
  4. Step 4: Simplify right side
    28,381.84x = 644,378,084.53
  5. Step 5: Solve for x
    x = 644,378,084.53/28,381.84
  6. Step 6: Final answer
    x = 22,703.89

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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.