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Finding the Fourth Proportional to 18,572.28, 27,838.88 and 6,089.06

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Solution

The fourth proportional to 18,572.28, 27,838.88 and 6,089.06 is: 9,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.28 : 27,838.88 = 6,089.06 : x
  2. Step 2: Convert to fraction form
    18,572.28/27,838.88 = 6,089.06/x
  3. Step 3: Cross multiply
    18,572.28x = 27,838.88 × 6,089.06
  4. Step 4: Simplify right side
    18,572.28x = 169,512,610.65
  5. Step 5: Solve for x
    x = 169,512,610.65/18,572.28
  6. Step 6: Final answer
    x = 9,127.18

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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.