Home / 27,857.55-38,437.77-16,522.08

Finding the Fourth Proportional to 27,857.55, 38,437.77 and 16,522.08

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Solution

The fourth proportional to 27,857.55, 38,437.77 and 16,522.08 is: 22,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,857.55 : 38,437.77 = 16,522.08 : x
  2. Step 2: Convert to fraction form
    27,857.55/38,437.77 = 16,522.08/x
  3. Step 3: Cross multiply
    27,857.55x = 38,437.77 × 16,522.08
  4. Step 4: Simplify right side
    27,857.55x = 635,071,828.78
  5. Step 5: Solve for x
    x = 635,071,828.78/27,857.55
  6. Step 6: Final answer
    x = 22,797.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.