Home / 26,656.94-36,798.35-15,905.55

Finding the Fourth Proportional to 26,656.94, 36,798.35 and 15,905.55

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Solution

The fourth proportional to 26,656.94, 36,798.35 and 15,905.55 is: 21,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.94 : 36,798.35 = 15,905.55 : x
  2. Step 2: Convert to fraction form
    26,656.94/36,798.35 = 15,905.55/x
  3. Step 3: Cross multiply
    26,656.94x = 36,798.35 × 15,905.55
  4. Step 4: Simplify right side
    26,656.94x = 585,297,916.31
  5. Step 5: Solve for x
    x = 585,297,916.31/26,656.94
  6. Step 6: Final answer
    x = 21,956.68

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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.