Home / 28,367.49-42,531.53-12,563.91

Finding the Fourth Proportional to 28,367.49, 42,531.53 and 12,563.91

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Solution

The fourth proportional to 28,367.49, 42,531.53 and 12,563.91 is: 18,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.49 : 42,531.53 = 12,563.91 : x
  2. Step 2: Convert to fraction form
    28,367.49/42,531.53 = 12,563.91/x
  3. Step 3: Cross multiply
    28,367.49x = 42,531.53 × 12,563.91
  4. Step 4: Simplify right side
    28,367.49x = 534,362,322.93
  5. Step 5: Solve for x
    x = 534,362,322.93/28,367.49
  6. Step 6: Final answer
    x = 18,837.14

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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.