Home / 27,265.68-37,645.30-20,881.02

Finding the Fourth Proportional to 27,265.68, 37,645.30 and 20,881.02

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Solution

The fourth proportional to 27,265.68, 37,645.30 and 20,881.02 is: 28,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.68 : 37,645.30 = 20,881.02 : x
  2. Step 2: Convert to fraction form
    27,265.68/37,645.30 = 20,881.02/x
  3. Step 3: Cross multiply
    27,265.68x = 37,645.30 × 20,881.02
  4. Step 4: Simplify right side
    27,265.68x = 786,072,262.21
  5. Step 5: Solve for x
    x = 786,072,262.21/27,265.68
  6. Step 6: Final answer
    x = 28,830.10

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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.