Home / 21,802.12-30,029.62-16,756.71

Finding the Fourth Proportional to 21,802.12, 30,029.62 and 16,756.71

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Solution

The fourth proportional to 21,802.12, 30,029.62 and 16,756.71 is: 23,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802.12 : 30,029.62 = 16,756.71 : x
  2. Step 2: Convert to fraction form
    21,802.12/30,029.62 = 16,756.71/x
  3. Step 3: Cross multiply
    21,802.12x = 30,029.62 × 16,756.71
  4. Step 4: Simplify right side
    21,802.12x = 503,197,633.75
  5. Step 5: Solve for x
    x = 503,197,633.75/21,802.12
  6. Step 6: Final answer
    x = 23,080.22

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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.