Home / 21,613.00-32,419.49-16,689.82

Finding the Fourth Proportional to 21,613.00, 32,419.49 and 16,689.82

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Solution

The fourth proportional to 21,613.00, 32,419.49 and 16,689.82 is: 25,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.00 : 32,419.49 = 16,689.82 : x
  2. Step 2: Convert to fraction form
    21,613.00/32,419.49 = 16,689.82/x
  3. Step 3: Cross multiply
    21,613.00x = 32,419.49 × 16,689.82
  4. Step 4: Simplify right side
    21,613.00x = 541,075,332.22
  5. Step 5: Solve for x
    x = 541,075,332.22/21,613.00
  6. Step 6: Final answer
    x = 25,034.72

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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.