Home / 28,505.66-39,344.55-17,325.50

Finding the Fourth Proportional to 28,505.66, 39,344.55 and 17,325.50

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Solution

The fourth proportional to 28,505.66, 39,344.55 and 17,325.50 is: 23,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.66 : 39,344.55 = 17,325.50 : x
  2. Step 2: Convert to fraction form
    28,505.66/39,344.55 = 17,325.50/x
  3. Step 3: Cross multiply
    28,505.66x = 39,344.55 × 17,325.50
  4. Step 4: Simplify right side
    28,505.66x = 681,664,001.03
  5. Step 5: Solve for x
    x = 681,664,001.03/28,505.66
  6. Step 6: Final answer
    x = 23,913.29

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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.