Home / 18,088.55-26,972.43-16,882.06

Finding the Fourth Proportional to 18,088.55, 26,972.43 and 16,882.06

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Solution

The fourth proportional to 18,088.55, 26,972.43 and 16,882.06 is: 25,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.55 : 26,972.43 = 16,882.06 : x
  2. Step 2: Convert to fraction form
    18,088.55/26,972.43 = 16,882.06/x
  3. Step 3: Cross multiply
    18,088.55x = 26,972.43 × 16,882.06
  4. Step 4: Simplify right side
    18,088.55x = 455,350,082.52
  5. Step 5: Solve for x
    x = 455,350,082.52/18,088.55
  6. Step 6: Final answer
    x = 25,173.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.