Home / 27,549.86-38,021.81-15,613.97

Finding the Fourth Proportional to 27,549.86, 38,021.81 and 15,613.97

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Solution

The fourth proportional to 27,549.86, 38,021.81 and 15,613.97 is: 21,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,549.86 : 38,021.81 = 15,613.97 : x
  2. Step 2: Convert to fraction form
    27,549.86/38,021.81 = 15,613.97/x
  3. Step 3: Cross multiply
    27,549.86x = 38,021.81 × 15,613.97
  4. Step 4: Simplify right side
    27,549.86x = 593,671,132.51
  5. Step 5: Solve for x
    x = 593,671,132.51/27,549.86
  6. Step 6: Final answer
    x = 21,548.97

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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.