Home / 28,042.92-38,697.48-15,467.76

Finding the Fourth Proportional to 28,042.92, 38,697.48 and 15,467.76

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Solution

The fourth proportional to 28,042.92, 38,697.48 and 15,467.76 is: 21,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.92 : 38,697.48 = 15,467.76 : x
  2. Step 2: Convert to fraction form
    28,042.92/38,697.48 = 15,467.76/x
  3. Step 3: Cross multiply
    28,042.92x = 38,697.48 × 15,467.76
  4. Step 4: Simplify right side
    28,042.92x = 598,563,333.24
  5. Step 5: Solve for x
    x = 598,563,333.24/28,042.92
  6. Step 6: Final answer
    x = 21,344.54

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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.