Home / 28,244.26-38,977.13-15,669.01

Finding the Fourth Proportional to 28,244.26, 38,977.13 and 15,669.01

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Solution

The fourth proportional to 28,244.26, 38,977.13 and 15,669.01 is: 21,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.26 : 38,977.13 = 15,669.01 : x
  2. Step 2: Convert to fraction form
    28,244.26/38,977.13 = 15,669.01/x
  3. Step 3: Cross multiply
    28,244.26x = 38,977.13 × 15,669.01
  4. Step 4: Simplify right side
    28,244.26x = 610,732,961.40
  5. Step 5: Solve for x
    x = 610,732,961.40/28,244.26
  6. Step 6: Final answer
    x = 21,623.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.