Home / 28,390.74-42,623.79-24,257.31

Finding the Fourth Proportional to 28,390.74, 42,623.79 and 24,257.31

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Solution

The fourth proportional to 28,390.74, 42,623.79 and 24,257.31 is: 36,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,390.74 : 42,623.79 = 24,257.31 : x
  2. Step 2: Convert to fraction form
    28,390.74/42,623.79 = 24,257.31/x
  3. Step 3: Cross multiply
    28,390.74x = 42,623.79 × 24,257.31
  4. Step 4: Simplify right side
    28,390.74x = 1,033,938,487.40
  5. Step 5: Solve for x
    x = 1,033,938,487.40/28,390.74
  6. Step 6: Final answer
    x = 36,418.16

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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.