Home / 28,223.96-42,327.29-19,514.84

Finding the Fourth Proportional to 28,223.96, 42,327.29 and 19,514.84

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Solution

The fourth proportional to 28,223.96, 42,327.29 and 19,514.84 is: 29,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.96 : 42,327.29 = 19,514.84 : x
  2. Step 2: Convert to fraction form
    28,223.96/42,327.29 = 19,514.84/x
  3. Step 3: Cross multiply
    28,223.96x = 42,327.29 × 19,514.84
  4. Step 4: Simplify right side
    28,223.96x = 826,010,129.13
  5. Step 5: Solve for x
    x = 826,010,129.13/28,223.96
  6. Step 6: Final answer
    x = 29,266.28

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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.