Home / 19,220.68-28,669.55-17,448.94

Finding the Fourth Proportional to 19,220.68, 28,669.55 and 17,448.94

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Solution

The fourth proportional to 19,220.68, 28,669.55 and 17,448.94 is: 26,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.68 : 28,669.55 = 17,448.94 : x
  2. Step 2: Convert to fraction form
    19,220.68/28,669.55 = 17,448.94/x
  3. Step 3: Cross multiply
    19,220.68x = 28,669.55 × 17,448.94
  4. Step 4: Simplify right side
    19,220.68x = 500,253,257.78
  5. Step 5: Solve for x
    x = 500,253,257.78/19,220.68
  6. Step 6: Final answer
    x = 26,026.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.