Home / 28,692.08-39,598.76-16,116.80

Finding the Fourth Proportional to 28,692.08, 39,598.76 and 16,116.80

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Solution

The fourth proportional to 28,692.08, 39,598.76 and 16,116.80 is: 22,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.08 : 39,598.76 = 16,116.80 : x
  2. Step 2: Convert to fraction form
    28,692.08/39,598.76 = 16,116.80/x
  3. Step 3: Cross multiply
    28,692.08x = 39,598.76 × 16,116.80
  4. Step 4: Simplify right side
    28,692.08x = 638,205,295.17
  5. Step 5: Solve for x
    x = 638,205,295.17/28,692.08
  6. Step 6: Final answer
    x = 22,243.26

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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.