Home / 27,281.09-37,647.55-15,344.43

Finding the Fourth Proportional to 27,281.09, 37,647.55 and 15,344.43

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Solution

The fourth proportional to 27,281.09, 37,647.55 and 15,344.43 is: 21,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.09 : 37,647.55 = 15,344.43 : x
  2. Step 2: Convert to fraction form
    27,281.09/37,647.55 = 15,344.43/x
  3. Step 3: Cross multiply
    27,281.09x = 37,647.55 × 15,344.43
  4. Step 4: Simplify right side
    27,281.09x = 577,679,930.69
  5. Step 5: Solve for x
    x = 577,679,930.69/27,281.09
  6. Step 6: Final answer
    x = 21,175.10

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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.