Home / 27,165.79-40,757.56-13,127.43

Finding the Fourth Proportional to 27,165.79, 40,757.56 and 13,127.43

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Solution

The fourth proportional to 27,165.79, 40,757.56 and 13,127.43 is: 19,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.79 : 40,757.56 = 13,127.43 : x
  2. Step 2: Convert to fraction form
    27,165.79/40,757.56 = 13,127.43/x
  3. Step 3: Cross multiply
    27,165.79x = 40,757.56 × 13,127.43
  4. Step 4: Simplify right side
    27,165.79x = 535,041,983.05
  5. Step 5: Solve for x
    x = 535,041,983.05/27,165.79
  6. Step 6: Final answer
    x = 19,695.43

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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.