Home / 38,867.72-58,330.40-28,895.54

Finding the Fourth Proportional to 38,867.72, 58,330.40 and 28,895.54

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Solution

The fourth proportional to 38,867.72, 58,330.40 and 28,895.54 is: 43,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.72 : 58,330.40 = 28,895.54 : x
  2. Step 2: Convert to fraction form
    38,867.72/58,330.40 = 28,895.54/x
  3. Step 3: Cross multiply
    38,867.72x = 58,330.40 × 28,895.54
  4. Step 4: Simplify right side
    38,867.72x = 1,685,487,970.29
  5. Step 5: Solve for x
    x = 1,685,487,970.29/38,867.72
  6. Step 6: Final answer
    x = 43,364.73

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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.