Home / 38,445.15-57,667.73-28,603.65

Finding the Fourth Proportional to 38,445.15, 57,667.73 and 28,603.65

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Solution

The fourth proportional to 38,445.15, 57,667.73 and 28,603.65 is: 42,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.15 : 57,667.73 = 28,603.65 : x
  2. Step 2: Convert to fraction form
    38,445.15/57,667.73 = 28,603.65/x
  3. Step 3: Cross multiply
    38,445.15x = 57,667.73 × 28,603.65
  4. Step 4: Simplify right side
    38,445.15x = 1,649,507,422.20
  5. Step 5: Solve for x
    x = 1,649,507,422.20/38,445.15
  6. Step 6: Final answer
    x = 42,905.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.