Home / 28,679.83-39,580.83-17,352.10

Finding the Fourth Proportional to 28,679.83, 39,580.83 and 17,352.10

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Solution

The fourth proportional to 28,679.83, 39,580.83 and 17,352.10 is: 23,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.83 : 39,580.83 = 17,352.10 : x
  2. Step 2: Convert to fraction form
    28,679.83/39,580.83 = 17,352.10/x
  3. Step 3: Cross multiply
    28,679.83x = 39,580.83 × 17,352.10
  4. Step 4: Simplify right side
    28,679.83x = 686,810,520.24
  5. Step 5: Solve for x
    x = 686,810,520.24/28,679.83
  6. Step 6: Final answer
    x = 23,947.51

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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.