Home / 21,190.59-31,785.88-16,514.10

Finding the Fourth Proportional to 21,190.59, 31,785.88 and 16,514.10

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Solution

The fourth proportional to 21,190.59, 31,785.88 and 16,514.10 is: 24,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,190.59 : 31,785.88 = 16,514.10 : x
  2. Step 2: Convert to fraction form
    21,190.59/31,785.88 = 16,514.10/x
  3. Step 3: Cross multiply
    21,190.59x = 31,785.88 × 16,514.10
  4. Step 4: Simplify right side
    21,190.59x = 524,915,041.98
  5. Step 5: Solve for x
    x = 524,915,041.98/21,190.59
  6. Step 6: Final answer
    x = 24,771.14

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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.