Home / 26,660.18-36,788.91-15,329.09

Finding the Fourth Proportional to 26,660.18, 36,788.91 and 15,329.09

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Solution

The fourth proportional to 26,660.18, 36,788.91 and 15,329.09 is: 21,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.18 : 36,788.91 = 15,329.09 : x
  2. Step 2: Convert to fraction form
    26,660.18/36,788.91 = 15,329.09/x
  3. Step 3: Cross multiply
    26,660.18x = 36,788.91 × 15,329.09
  4. Step 4: Simplify right side
    26,660.18x = 563,940,512.39
  5. Step 5: Solve for x
    x = 563,940,512.39/26,660.18
  6. Step 6: Final answer
    x = 21,152.91

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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.