Home / 38,338.90-52,903.97-28,272.76

Finding the Fourth Proportional to 38,338.90, 52,903.97 and 28,272.76

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Solution

The fourth proportional to 38,338.90, 52,903.97 and 28,272.76 is: 39,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.90 : 52,903.97 = 28,272.76 : x
  2. Step 2: Convert to fraction form
    38,338.90/52,903.97 = 28,272.76/x
  3. Step 3: Cross multiply
    38,338.90x = 52,903.97 × 28,272.76
  4. Step 4: Simplify right side
    38,338.90x = 1,495,741,079.26
  5. Step 5: Solve for x
    x = 1,495,741,079.26/38,338.90
  6. Step 6: Final answer
    x = 39,013.67

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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.