Home / 27,832.04-38,409.76-15,899.25

Finding the Fourth Proportional to 27,832.04, 38,409.76 and 15,899.25

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Solution

The fourth proportional to 27,832.04, 38,409.76 and 15,899.25 is: 21,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.04 : 38,409.76 = 15,899.25 : x
  2. Step 2: Convert to fraction form
    27,832.04/38,409.76 = 15,899.25/x
  3. Step 3: Cross multiply
    27,832.04x = 38,409.76 × 15,899.25
  4. Step 4: Simplify right side
    27,832.04x = 610,686,376.68
  5. Step 5: Solve for x
    x = 610,686,376.68/27,832.04
  6. Step 6: Final answer
    x = 21,941.85

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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.