Home / 28,881.88-43,322.82-18,559.24

Finding the Fourth Proportional to 28,881.88, 43,322.82 and 18,559.24

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Solution

The fourth proportional to 28,881.88, 43,322.82 and 18,559.24 is: 27,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.88 : 43,322.82 = 18,559.24 : x
  2. Step 2: Convert to fraction form
    28,881.88/43,322.82 = 18,559.24/x
  3. Step 3: Cross multiply
    28,881.88x = 43,322.82 × 18,559.24
  4. Step 4: Simplify right side
    28,881.88x = 804,038,613.86
  5. Step 5: Solve for x
    x = 804,038,613.86/28,881.88
  6. Step 6: Final answer
    x = 27,838.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.