Home / 27,514.08-37,971.78-15,579.52

Finding the Fourth Proportional to 27,514.08, 37,971.78 and 15,579.52

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Solution

The fourth proportional to 27,514.08, 37,971.78 and 15,579.52 is: 21,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,514.08 : 37,971.78 = 15,579.52 : x
  2. Step 2: Convert to fraction form
    27,514.08/37,971.78 = 15,579.52/x
  3. Step 3: Cross multiply
    27,514.08x = 37,971.78 × 15,579.52
  4. Step 4: Simplify right side
    27,514.08x = 591,582,105.95
  5. Step 5: Solve for x
    x = 591,582,105.95/27,514.08
  6. Step 6: Final answer
    x = 21,501.07

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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.