Home / 27,027-40,513.14-12,966.36

Finding the Fourth Proportional to 27,027, 40,513.14 and 12,966.36

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Solution

The fourth proportional to 27,027, 40,513.14 and 12,966.36 is: 19,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027 : 40,513.14 = 12,966.36 : x
  2. Step 2: Convert to fraction form
    27,027/40,513.14 = 12,966.36/x
  3. Step 3: Cross multiply
    27,027x = 40,513.14 × 12,966.36
  4. Step 4: Simplify right side
    27,027x = 525,307,957.97
  5. Step 5: Solve for x
    x = 525,307,957.97/27,027
  6. Step 6: Final answer
    x = 19,436.41

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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.