Home / 26,543.23-36,629.78-15,213.40

Finding the Fourth Proportional to 26,543.23, 36,629.78 and 15,213.40

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Solution

The fourth proportional to 26,543.23, 36,629.78 and 15,213.40 is: 20,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.23 : 36,629.78 = 15,213.40 : x
  2. Step 2: Convert to fraction form
    26,543.23/36,629.78 = 15,213.40/x
  3. Step 3: Cross multiply
    26,543.23x = 36,629.78 × 15,213.40
  4. Step 4: Simplify right side
    26,543.23x = 557,263,495.05
  5. Step 5: Solve for x
    x = 557,263,495.05/26,543.23
  6. Step 6: Final answer
    x = 20,994.56

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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.