Home / 42,828.44-64,248.83-13,248.57

Finding the Fourth Proportional to 42,828.44, 64,248.83 and 13,248.57

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Solution

The fourth proportional to 42,828.44, 64,248.83 and 13,248.57 is: 19,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,828.44 : 64,248.83 = 13,248.57 : x
  2. Step 2: Convert to fraction form
    42,828.44/64,248.83 = 13,248.57/x
  3. Step 3: Cross multiply
    42,828.44x = 64,248.83 × 13,248.57
  4. Step 4: Simplify right side
    42,828.44x = 851,205,154.79
  5. Step 5: Solve for x
    x = 851,205,154.79/42,828.44
  6. Step 6: Final answer
    x = 19,874.76

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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.