Home / 27,531.38-38,004.93-18,590.99

Finding the Fourth Proportional to 27,531.38, 38,004.93 and 18,590.99

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Solution

The fourth proportional to 27,531.38, 38,004.93 and 18,590.99 is: 25,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.38 : 38,004.93 = 18,590.99 : x
  2. Step 2: Convert to fraction form
    27,531.38/38,004.93 = 18,590.99/x
  3. Step 3: Cross multiply
    27,531.38x = 38,004.93 × 18,590.99
  4. Step 4: Simplify right side
    27,531.38x = 706,549,273.58
  5. Step 5: Solve for x
    x = 706,549,273.58/27,531.38
  6. Step 6: Final answer
    x = 25,663.42

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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.