Home / 28,221.09-38,941.02-16,282.23

Finding the Fourth Proportional to 28,221.09, 38,941.02 and 16,282.23

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Solution

The fourth proportional to 28,221.09, 38,941.02 and 16,282.23 is: 22,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221.09 : 38,941.02 = 16,282.23 : x
  2. Step 2: Convert to fraction form
    28,221.09/38,941.02 = 16,282.23/x
  3. Step 3: Cross multiply
    28,221.09x = 38,941.02 × 16,282.23
  4. Step 4: Simplify right side
    28,221.09x = 634,046,644.07
  5. Step 5: Solve for x
    x = 634,046,644.07/28,221.09
  6. Step 6: Final answer
    x = 22,467.12

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Double scale
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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.