Home / 27,003.48-40,487.55-12,963.12

Finding the Fourth Proportional to 27,003.48, 40,487.55 and 12,963.12

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Solution

The fourth proportional to 27,003.48, 40,487.55 and 12,963.12 is: 19,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,003.48 : 40,487.55 = 12,963.12 : x
  2. Step 2: Convert to fraction form
    27,003.48/40,487.55 = 12,963.12/x
  3. Step 3: Cross multiply
    27,003.48x = 40,487.55 × 12,963.12
  4. Step 4: Simplify right side
    27,003.48x = 524,844,969.16
  5. Step 5: Solve for x
    x = 524,844,969.16/27,003.48
  6. Step 6: Final answer
    x = 19,436.20

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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.