Home / 28,037.76-38,692.12-15,463.32

Finding the Fourth Proportional to 28,037.76, 38,692.12 and 15,463.32

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Solution

The fourth proportional to 28,037.76, 38,692.12 and 15,463.32 is: 21,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.76 : 38,692.12 = 15,463.32 : x
  2. Step 2: Convert to fraction form
    28,037.76/38,692.12 = 15,463.32/x
  3. Step 3: Cross multiply
    28,037.76x = 38,692.12 × 15,463.32
  4. Step 4: Simplify right side
    28,037.76x = 598,308,633.04
  5. Step 5: Solve for x
    x = 598,308,633.04/28,037.76
  6. Step 6: Final answer
    x = 21,339.39

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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.