Home / 28,050.60-38,709.36-15,475.44

Finding the Fourth Proportional to 28,050.60, 38,709.36 and 15,475.44

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Solution

The fourth proportional to 28,050.60, 38,709.36 and 15,475.44 is: 21,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.60 : 38,709.36 = 15,475.44 : x
  2. Step 2: Convert to fraction form
    28,050.60/38,709.36 = 15,475.44/x
  3. Step 3: Cross multiply
    28,050.60x = 38,709.36 × 15,475.44
  4. Step 4: Simplify right side
    28,050.60x = 599,044,378.12
  5. Step 5: Solve for x
    x = 599,044,378.12/28,050.60
  6. Step 6: Final answer
    x = 21,355.85

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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.