Home / 28,789.46-39,729.53-16,692.29

Finding the Fourth Proportional to 28,789.46, 39,729.53 and 16,692.29

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Solution

The fourth proportional to 28,789.46, 39,729.53 and 16,692.29 is: 23,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.46 : 39,729.53 = 16,692.29 : x
  2. Step 2: Convert to fraction form
    28,789.46/39,729.53 = 16,692.29/x
  3. Step 3: Cross multiply
    28,789.46x = 39,729.53 × 16,692.29
  4. Step 4: Simplify right side
    28,789.46x = 663,176,637.68
  5. Step 5: Solve for x
    x = 663,176,637.68/28,789.46
  6. Step 6: Final answer
    x = 23,035.40

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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.