Home / 28,037.93-38,692.38-15,291.14

Finding the Fourth Proportional to 28,037.93, 38,692.38 and 15,291.14

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Solution

The fourth proportional to 28,037.93, 38,692.38 and 15,291.14 is: 21,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.93 : 38,692.38 = 15,291.14 : x
  2. Step 2: Convert to fraction form
    28,037.93/38,692.38 = 15,291.14/x
  3. Step 3: Cross multiply
    28,037.93x = 38,692.38 × 15,291.14
  4. Step 4: Simplify right side
    28,037.93x = 591,650,406.05
  5. Step 5: Solve for x
    x = 591,650,406.05/28,037.93
  6. Step 6: Final answer
    x = 21,101.79

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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.