Home / 28,389.60-39,175.76-17,059.56

Finding the Fourth Proportional to 28,389.60, 39,175.76 and 17,059.56

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Solution

The fourth proportional to 28,389.60, 39,175.76 and 17,059.56 is: 23,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389.60 : 39,175.76 = 17,059.56 : x
  2. Step 2: Convert to fraction form
    28,389.60/39,175.76 = 17,059.56/x
  3. Step 3: Cross multiply
    28,389.60x = 39,175.76 × 17,059.56
  4. Step 4: Simplify right side
    28,389.60x = 668,321,228.27
  5. Step 5: Solve for x
    x = 668,321,228.27/28,389.60
  6. Step 6: Final answer
    x = 23,541.06

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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.