Home / 28,214.73-42,316.02-11,558.43

Finding the Fourth Proportional to 28,214.73, 42,316.02 and 11,558.43

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Solution

The fourth proportional to 28,214.73, 42,316.02 and 11,558.43 is: 17,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.73 : 42,316.02 = 11,558.43 : x
  2. Step 2: Convert to fraction form
    28,214.73/42,316.02 = 11,558.43/x
  3. Step 3: Cross multiply
    28,214.73x = 42,316.02 × 11,558.43
  4. Step 4: Simplify right side
    28,214.73x = 489,106,755.05
  5. Step 5: Solve for x
    x = 489,106,755.05/28,214.73
  6. Step 6: Final answer
    x = 17,335.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.