Home / 28,834.10-43,264.97-15,686.45

Finding the Fourth Proportional to 28,834.10, 43,264.97 and 15,686.45

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Solution

The fourth proportional to 28,834.10, 43,264.97 and 15,686.45 is: 23,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.10 : 43,264.97 = 15,686.45 : x
  2. Step 2: Convert to fraction form
    28,834.10/43,264.97 = 15,686.45/x
  3. Step 3: Cross multiply
    28,834.10x = 43,264.97 × 15,686.45
  4. Step 4: Simplify right side
    28,834.10x = 678,673,714.97
  5. Step 5: Solve for x
    x = 678,673,714.97/28,834.10
  6. Step 6: Final answer
    x = 23,537.19

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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.