Home / 28,635.60-39,507.94-17,308.45

Finding the Fourth Proportional to 28,635.60, 39,507.94 and 17,308.45

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Solution

The fourth proportional to 28,635.60, 39,507.94 and 17,308.45 is: 23,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.60 : 39,507.94 = 17,308.45 : x
  2. Step 2: Convert to fraction form
    28,635.60/39,507.94 = 17,308.45/x
  3. Step 3: Cross multiply
    28,635.60x = 39,507.94 × 17,308.45
  4. Step 4: Simplify right side
    28,635.60x = 683,821,204.09
  5. Step 5: Solve for x
    x = 683,821,204.09/28,635.60
  6. Step 6: Final answer
    x = 23,880.11

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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.