Home / 28,293.60-39,045.84-15,546.67

Finding the Fourth Proportional to 28,293.60, 39,045.84 and 15,546.67

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Solution

The fourth proportional to 28,293.60, 39,045.84 and 15,546.67 is: 21,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.60 : 39,045.84 = 15,546.67 : x
  2. Step 2: Convert to fraction form
    28,293.60/39,045.84 = 15,546.67/x
  3. Step 3: Cross multiply
    28,293.60x = 39,045.84 × 15,546.67
  4. Step 4: Simplify right side
    28,293.60x = 607,032,789.35
  5. Step 5: Solve for x
    x = 607,032,789.35/28,293.60
  6. Step 6: Final answer
    x = 21,454.77

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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.