Home / 18,127.28-27,176.16-7,028.24

Finding the Fourth Proportional to 18,127.28, 27,176.16 and 7,028.24

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Solution

The fourth proportional to 18,127.28, 27,176.16 and 7,028.24 is: 10,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.28 : 27,176.16 = 7,028.24 : x
  2. Step 2: Convert to fraction form
    18,127.28/27,176.16 = 7,028.24/x
  3. Step 3: Cross multiply
    18,127.28x = 27,176.16 × 7,028.24
  4. Step 4: Simplify right side
    18,127.28x = 191,000,574.76
  5. Step 5: Solve for x
    x = 191,000,574.76/18,127.28
  6. Step 6: Final answer
    x = 10,536.64

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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.