Home / 28,961.88-39,967.62-17,025.72

Finding the Fourth Proportional to 28,961.88, 39,967.62 and 17,025.72

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Solution

The fourth proportional to 28,961.88, 39,967.62 and 17,025.72 is: 23,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.88 : 39,967.62 = 17,025.72 : x
  2. Step 2: Convert to fraction form
    28,961.88/39,967.62 = 17,025.72/x
  3. Step 3: Cross multiply
    28,961.88x = 39,967.62 × 17,025.72
  4. Step 4: Simplify right side
    28,961.88x = 680,477,507.19
  5. Step 5: Solve for x
    x = 680,477,507.19/28,961.88
  6. Step 6: Final answer
    x = 23,495.63

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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.