Home / 26,440.76-36,489.40-15,828.34

Finding the Fourth Proportional to 26,440.76, 36,489.40 and 15,828.34

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Solution

The fourth proportional to 26,440.76, 36,489.40 and 15,828.34 is: 21,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.76 : 36,489.40 = 15,828.34 : x
  2. Step 2: Convert to fraction form
    26,440.76/36,489.40 = 15,828.34/x
  3. Step 3: Cross multiply
    26,440.76x = 36,489.40 × 15,828.34
  4. Step 4: Simplify right side
    26,440.76x = 577,566,629.60
  5. Step 5: Solve for x
    x = 577,566,629.60/26,440.76
  6. Step 6: Final answer
    x = 21,843.80

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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.