Home / 27,929.49-41,866.29-15,455.09

Finding the Fourth Proportional to 27,929.49, 41,866.29 and 15,455.09

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Solution

The fourth proportional to 27,929.49, 41,866.29 and 15,455.09 is: 23,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.49 : 41,866.29 = 15,455.09 : x
  2. Step 2: Convert to fraction form
    27,929.49/41,866.29 = 15,455.09/x
  3. Step 3: Cross multiply
    27,929.49x = 41,866.29 × 15,455.09
  4. Step 4: Simplify right side
    27,929.49x = 647,047,070.58
  5. Step 5: Solve for x
    x = 647,047,070.58/27,929.49
  6. Step 6: Final answer
    x = 23,167.16

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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.