Home / 26,552.39-36,638.09-15,219.72

Finding the Fourth Proportional to 26,552.39, 36,638.09 and 15,219.72

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Solution

The fourth proportional to 26,552.39, 36,638.09 and 15,219.72 is: 21,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,552.39 : 36,638.09 = 15,219.72 : x
  2. Step 2: Convert to fraction form
    26,552.39/36,638.09 = 15,219.72/x
  3. Step 3: Cross multiply
    26,552.39x = 36,638.09 × 15,219.72
  4. Step 4: Simplify right side
    26,552.39x = 557,621,395.04
  5. Step 5: Solve for x
    x = 557,621,395.04/26,552.39
  6. Step 6: Final answer
    x = 21,000.80

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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.