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Finding the Fourth Proportional to 26,157.31, 36,097.31 and 14,220.65

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Solution

The fourth proportional to 26,157.31, 36,097.31 and 14,220.65 is: 19,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,157.31 : 36,097.31 = 14,220.65 : x
  2. Step 2: Convert to fraction form
    26,157.31/36,097.31 = 14,220.65/x
  3. Step 3: Cross multiply
    26,157.31x = 36,097.31 × 14,220.65
  4. Step 4: Simplify right side
    26,157.31x = 513,327,337.25
  5. Step 5: Solve for x
    x = 513,327,337.25/26,157.31
  6. Step 6: Final answer
    x = 19,624.62

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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.