Home / 27,443.05-37,869.85-15,506.58

Finding the Fourth Proportional to 27,443.05, 37,869.85 and 15,506.58

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Solution

The fourth proportional to 27,443.05, 37,869.85 and 15,506.58 is: 21,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,443.05 : 37,869.85 = 15,506.58 : x
  2. Step 2: Convert to fraction form
    27,443.05/37,869.85 = 15,506.58/x
  3. Step 3: Cross multiply
    27,443.05x = 37,869.85 × 15,506.58
  4. Step 4: Simplify right side
    27,443.05x = 587,231,819.85
  5. Step 5: Solve for x
    x = 587,231,819.85/27,443.05
  6. Step 6: Final answer
    x = 21,398.20

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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.