Home / 38,298.69-57,417.05-17,223.30

Finding the Fourth Proportional to 38,298.69, 57,417.05 and 17,223.30

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Solution

The fourth proportional to 38,298.69, 57,417.05 and 17,223.30 is: 25,821.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.69 : 57,417.05 = 17,223.30 : x
  2. Step 2: Convert to fraction form
    38,298.69/57,417.05 = 17,223.30/x
  3. Step 3: Cross multiply
    38,298.69x = 57,417.05 × 17,223.30
  4. Step 4: Simplify right side
    38,298.69x = 988,911,120.32
  5. Step 5: Solve for x
    x = 988,911,120.32/38,298.69
  6. Step 6: Final answer
    x = 25,821.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.