Home / 20,514-28,302.84-12,552.24

Finding the Fourth Proportional to 20,514, 28,302.84 and 12,552.24

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Solution

The fourth proportional to 20,514, 28,302.84 and 12,552.24 is: 17,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514 : 28,302.84 = 12,552.24 : x
  2. Step 2: Convert to fraction form
    20,514/28,302.84 = 12,552.24/x
  3. Step 3: Cross multiply
    20,514x = 28,302.84 × 12,552.24
  4. Step 4: Simplify right side
    20,514x = 355,264,040.36
  5. Step 5: Solve for x
    x = 355,264,040.36/20,514
  6. Step 6: Final answer
    x = 17,318.13

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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.