Home / 27,803.67-38,372.76-15,864.27

Finding the Fourth Proportional to 27,803.67, 38,372.76 and 15,864.27

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Solution

The fourth proportional to 27,803.67, 38,372.76 and 15,864.27 is: 21,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.67 : 38,372.76 = 15,864.27 : x
  2. Step 2: Convert to fraction form
    27,803.67/38,372.76 = 15,864.27/x
  3. Step 3: Cross multiply
    27,803.67x = 38,372.76 × 15,864.27
  4. Step 4: Simplify right side
    27,803.67x = 608,755,825.29
  5. Step 5: Solve for x
    x = 608,755,825.29/27,803.67
  6. Step 6: Final answer
    x = 21,894.80

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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.