Home / 17,953.40-24,761.76-15,938.94

Finding the Fourth Proportional to 17,953.40, 24,761.76 and 15,938.94

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Solution

The fourth proportional to 17,953.40, 24,761.76 and 15,938.94 is: 21,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.40 : 24,761.76 = 15,938.94 : x
  2. Step 2: Convert to fraction form
    17,953.40/24,761.76 = 15,938.94/x
  3. Step 3: Cross multiply
    17,953.40x = 24,761.76 × 15,938.94
  4. Step 4: Simplify right side
    17,953.40x = 394,676,206.93
  5. Step 5: Solve for x
    x = 394,676,206.93/17,953.40
  6. Step 6: Final answer
    x = 21,983.37

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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.