Home / 21,762.91-30,049.77-16,719.14

Finding the Fourth Proportional to 21,762.91, 30,049.77 and 16,719.14

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Solution

The fourth proportional to 21,762.91, 30,049.77 and 16,719.14 is: 23,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.91 : 30,049.77 = 16,719.14 : x
  2. Step 2: Convert to fraction form
    21,762.91/30,049.77 = 16,719.14/x
  3. Step 3: Cross multiply
    21,762.91x = 30,049.77 × 16,719.14
  4. Step 4: Simplify right side
    21,762.91x = 502,406,311.60
  5. Step 5: Solve for x
    x = 502,406,311.60/21,762.91
  6. Step 6: Final answer
    x = 23,085.44

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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.