Home / 21,050.80-29,029.44-16,015.12

Finding the Fourth Proportional to 21,050.80, 29,029.44 and 16,015.12

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Solution

The fourth proportional to 21,050.80, 29,029.44 and 16,015.12 is: 22,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.80 : 29,029.44 = 16,015.12 : x
  2. Step 2: Convert to fraction form
    21,050.80/29,029.44 = 16,015.12/x
  3. Step 3: Cross multiply
    21,050.80x = 29,029.44 × 16,015.12
  4. Step 4: Simplify right side
    21,050.80x = 464,909,965.13
  5. Step 5: Solve for x
    x = 464,909,965.13/21,050.80
  6. Step 6: Final answer
    x = 22,085.14

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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.