Home / 23,138.59-31,900.37-17,371.63

Finding the Fourth Proportional to 23,138.59, 31,900.37 and 17,371.63

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Solution

The fourth proportional to 23,138.59, 31,900.37 and 17,371.63 is: 23,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.59 : 31,900.37 = 17,371.63 : x
  2. Step 2: Convert to fraction form
    23,138.59/31,900.37 = 17,371.63/x
  3. Step 3: Cross multiply
    23,138.59x = 31,900.37 × 17,371.63
  4. Step 4: Simplify right side
    23,138.59x = 554,161,424.50
  5. Step 5: Solve for x
    x = 554,161,424.50/23,138.59
  6. Step 6: Final answer
    x = 23,949.66

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Double scale
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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.