Home / 22,489.84-31,039.32-21,801.52

Finding the Fourth Proportional to 22,489.84, 31,039.32 and 21,801.52

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Solution

The fourth proportional to 22,489.84, 31,039.32 and 21,801.52 is: 30,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.84 : 31,039.32 = 21,801.52 : x
  2. Step 2: Convert to fraction form
    22,489.84/31,039.32 = 21,801.52/x
  3. Step 3: Cross multiply
    22,489.84x = 31,039.32 × 21,801.52
  4. Step 4: Simplify right side
    22,489.84x = 676,704,355.77
  5. Step 5: Solve for x
    x = 676,704,355.77/22,489.84
  6. Step 6: Final answer
    x = 30,089.34

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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.