Home / 27,971.68-41,944.56-10,428.88

Finding the Fourth Proportional to 27,971.68, 41,944.56 and 10,428.88

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Solution

The fourth proportional to 27,971.68, 41,944.56 and 10,428.88 is: 15,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,971.68 : 41,944.56 = 10,428.88 : x
  2. Step 2: Convert to fraction form
    27,971.68/41,944.56 = 10,428.88/x
  3. Step 3: Cross multiply
    27,971.68x = 41,944.56 × 10,428.88
  4. Step 4: Simplify right side
    27,971.68x = 437,434,782.89
  5. Step 5: Solve for x
    x = 437,434,782.89/27,971.68
  6. Step 6: Final answer
    x = 15,638.49

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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.