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Finding the Fourth Proportional to 26,901, 37,123.38 and 15,125

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Solution

The fourth proportional to 26,901, 37,123.38 and 15,125 is: 20,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901 : 37,123.38 = 15,125 : x
  2. Step 2: Convert to fraction form
    26,901/37,123.38 = 15,125/x
  3. Step 3: Cross multiply
    26,901x = 37,123.38 × 15,125
  4. Step 4: Simplify right side
    26,901x = 561,491,122.50
  5. Step 5: Solve for x
    x = 561,491,122.50/26,901
  6. Step 6: Final answer
    x = 20,872.50

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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.