Home / 27,172.11-40,749.74-13,123.41

Finding the Fourth Proportional to 27,172.11, 40,749.74 and 13,123.41

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Solution

The fourth proportional to 27,172.11, 40,749.74 and 13,123.41 is: 19,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.11 : 40,749.74 = 13,123.41 : x
  2. Step 2: Convert to fraction form
    27,172.11/40,749.74 = 13,123.41/x
  3. Step 3: Cross multiply
    27,172.11x = 40,749.74 × 13,123.41
  4. Step 4: Simplify right side
    27,172.11x = 534,775,276.05
  5. Step 5: Solve for x
    x = 534,775,276.05/27,172.11
  6. Step 6: Final answer
    x = 19,681.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.