Home / 28,292.82-42,418.26-14,242.56

Finding the Fourth Proportional to 28,292.82, 42,418.26 and 14,242.56

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Solution

The fourth proportional to 28,292.82, 42,418.26 and 14,242.56 is: 21,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.82 : 42,418.26 = 14,242.56 : x
  2. Step 2: Convert to fraction form
    28,292.82/42,418.26 = 14,242.56/x
  3. Step 3: Cross multiply
    28,292.82x = 42,418.26 × 14,242.56
  4. Step 4: Simplify right side
    28,292.82x = 604,144,613.15
  5. Step 5: Solve for x
    x = 604,144,613.15/28,292.82
  6. Step 6: Final answer
    x = 21,353.28

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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.