Home / 26,454.60-36,504.99-15,121.89

Finding the Fourth Proportional to 26,454.60, 36,504.99 and 15,121.89

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Solution

The fourth proportional to 26,454.60, 36,504.99 and 15,121.89 is: 20,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.60 : 36,504.99 = 15,121.89 : x
  2. Step 2: Convert to fraction form
    26,454.60/36,504.99 = 15,121.89/x
  3. Step 3: Cross multiply
    26,454.60x = 36,504.99 × 15,121.89
  4. Step 4: Simplify right side
    26,454.60x = 552,024,443.23
  5. Step 5: Solve for x
    x = 552,024,443.23/26,454.60
  6. Step 6: Final answer
    x = 20,866.86

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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.