Home / 21,093.71-31,519.68-16,068.20

Finding the Fourth Proportional to 21,093.71, 31,519.68 and 16,068.20

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Solution

The fourth proportional to 21,093.71, 31,519.68 and 16,068.20 is: 24,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.71 : 31,519.68 = 16,068.20 : x
  2. Step 2: Convert to fraction form
    21,093.71/31,519.68 = 16,068.20/x
  3. Step 3: Cross multiply
    21,093.71x = 31,519.68 × 16,068.20
  4. Step 4: Simplify right side
    21,093.71x = 506,464,364.58
  5. Step 5: Solve for x
    x = 506,464,364.58/21,093.71
  6. Step 6: Final answer
    x = 24,010.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.