Home / 21,881.61-30,237.49-17,901.27

Finding the Fourth Proportional to 21,881.61, 30,237.49 and 17,901.27

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Solution

The fourth proportional to 21,881.61, 30,237.49 and 17,901.27 is: 24,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881.61 : 30,237.49 = 17,901.27 : x
  2. Step 2: Convert to fraction form
    21,881.61/30,237.49 = 17,901.27/x
  3. Step 3: Cross multiply
    21,881.61x = 30,237.49 × 17,901.27
  4. Step 4: Simplify right side
    21,881.61x = 541,289,472.61
  5. Step 5: Solve for x
    x = 541,289,472.61/21,881.61
  6. Step 6: Final answer
    x = 24,737.19

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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.