Home / 27,822.12-38,407.85-15,883.16

Finding the Fourth Proportional to 27,822.12, 38,407.85 and 15,883.16

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Solution

The fourth proportional to 27,822.12, 38,407.85 and 15,883.16 is: 21,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.12 : 38,407.85 = 15,883.16 : x
  2. Step 2: Convert to fraction form
    27,822.12/38,407.85 = 15,883.16/x
  3. Step 3: Cross multiply
    27,822.12x = 38,407.85 × 15,883.16
  4. Step 4: Simplify right side
    27,822.12x = 610,037,755.35
  5. Step 5: Solve for x
    x = 610,037,755.35/27,822.12
  6. Step 6: Final answer
    x = 21,926.36

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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.