Home / 27,390.74-37,799.21-14,815.49

Finding the Fourth Proportional to 27,390.74, 37,799.21 and 14,815.49

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Solution

The fourth proportional to 27,390.74, 37,799.21 and 14,815.49 is: 20,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.74 : 37,799.21 = 14,815.49 : x
  2. Step 2: Convert to fraction form
    27,390.74/37,799.21 = 14,815.49/x
  3. Step 3: Cross multiply
    27,390.74x = 37,799.21 × 14,815.49
  4. Step 4: Simplify right side
    27,390.74x = 560,013,743.69
  5. Step 5: Solve for x
    x = 560,013,743.69/27,390.74
  6. Step 6: Final answer
    x = 20,445.37

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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.