Home / 27,087.16-40,614.28-17,715.84

Finding the Fourth Proportional to 27,087.16, 40,614.28 and 17,715.84

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Solution

The fourth proportional to 27,087.16, 40,614.28 and 17,715.84 is: 26,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.16 : 40,614.28 = 17,715.84 : x
  2. Step 2: Convert to fraction form
    27,087.16/40,614.28 = 17,715.84/x
  3. Step 3: Cross multiply
    27,087.16x = 40,614.28 × 17,715.84
  4. Step 4: Simplify right side
    27,087.16x = 719,516,086.20
  5. Step 5: Solve for x
    x = 719,516,086.20/27,087.16
  6. Step 6: Final answer
    x = 26,562.99

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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.