Home / 27,531.69-38,009.46-18,127.59

Finding the Fourth Proportional to 27,531.69, 38,009.46 and 18,127.59

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Solution

The fourth proportional to 27,531.69, 38,009.46 and 18,127.59 is: 25,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.69 : 38,009.46 = 18,127.59 : x
  2. Step 2: Convert to fraction form
    27,531.69/38,009.46 = 18,127.59/x
  3. Step 3: Cross multiply
    27,531.69x = 38,009.46 × 18,127.59
  4. Step 4: Simplify right side
    27,531.69x = 689,019,907.00
  5. Step 5: Solve for x
    x = 689,019,907.00/27,531.69
  6. Step 6: Final answer
    x = 25,026.43

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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.