Home / 27,666.09-38,164.22-22,857.59

Finding the Fourth Proportional to 27,666.09, 38,164.22 and 22,857.59

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Solution

The fourth proportional to 27,666.09, 38,164.22 and 22,857.59 is: 31,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.09 : 38,164.22 = 22,857.59 : x
  2. Step 2: Convert to fraction form
    27,666.09/38,164.22 = 22,857.59/x
  3. Step 3: Cross multiply
    27,666.09x = 38,164.22 × 22,857.59
  4. Step 4: Simplify right side
    27,666.09x = 872,341,979.14
  5. Step 5: Solve for x
    x = 872,341,979.14/27,666.09
  6. Step 6: Final answer
    x = 31,531.10

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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.