Home / 28,042.06-38,697.54-15,295.34

Finding the Fourth Proportional to 28,042.06, 38,697.54 and 15,295.34

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Solution

The fourth proportional to 28,042.06, 38,697.54 and 15,295.34 is: 21,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.06 : 38,697.54 = 15,295.34 : x
  2. Step 2: Convert to fraction form
    28,042.06/38,697.54 = 15,295.34/x
  3. Step 3: Cross multiply
    28,042.06x = 38,697.54 × 15,295.34
  4. Step 4: Simplify right side
    28,042.06x = 591,892,031.46
  5. Step 5: Solve for x
    x = 591,892,031.46/28,042.06
  6. Step 6: Final answer
    x = 21,107.29

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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.