Home / 28,692.13-39,598.85-16,116.88

Finding the Fourth Proportional to 28,692.13, 39,598.85 and 16,116.88

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Solution

The fourth proportional to 28,692.13, 39,598.85 and 16,116.88 is: 22,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.13 : 39,598.85 = 16,116.88 : x
  2. Step 2: Convert to fraction form
    28,692.13/39,598.85 = 16,116.88/x
  3. Step 3: Cross multiply
    28,692.13x = 39,598.85 × 16,116.88
  4. Step 4: Simplify right side
    28,692.13x = 638,209,913.59
  5. Step 5: Solve for x
    x = 638,209,913.59/28,692.13
  6. Step 6: Final answer
    x = 22,243.38

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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.