Home / 26,902.42-37,123.69-15,571.09

Finding the Fourth Proportional to 26,902.42, 37,123.69 and 15,571.09

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Solution

The fourth proportional to 26,902.42, 37,123.69 and 15,571.09 is: 21,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,902.42 : 37,123.69 = 15,571.09 : x
  2. Step 2: Convert to fraction form
    26,902.42/37,123.69 = 15,571.09/x
  3. Step 3: Cross multiply
    26,902.42x = 37,123.69 × 15,571.09
  4. Step 4: Simplify right side
    26,902.42x = 578,056,318.12
  5. Step 5: Solve for x
    x = 578,056,318.12/26,902.42
  6. Step 6: Final answer
    x = 21,487.15

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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.