Home / 22,411.07-30,860.57-21,913.80

Finding the Fourth Proportional to 22,411.07, 30,860.57 and 21,913.80

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Solution

The fourth proportional to 22,411.07, 30,860.57 and 21,913.80 is: 30,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411.07 : 30,860.57 = 21,913.80 : x
  2. Step 2: Convert to fraction form
    22,411.07/30,860.57 = 21,913.80/x
  3. Step 3: Cross multiply
    22,411.07x = 30,860.57 × 21,913.80
  4. Step 4: Simplify right side
    22,411.07x = 676,272,358.87
  5. Step 5: Solve for x
    x = 676,272,358.87/22,411.07
  6. Step 6: Final answer
    x = 30,175.82

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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.