Home / 15,780.83-23,674.89-4,687.28

Finding the Fourth Proportional to 15,780.83, 23,674.89 and 4,687.28

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Solution

The fourth proportional to 15,780.83, 23,674.89 and 4,687.28 is: 7,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.83 : 23,674.89 = 4,687.28 : x
  2. Step 2: Convert to fraction form
    15,780.83/23,674.89 = 4,687.28/x
  3. Step 3: Cross multiply
    15,780.83x = 23,674.89 × 4,687.28
  4. Step 4: Simplify right side
    15,780.83x = 110,970,720.02
  5. Step 5: Solve for x
    x = 110,970,720.02/15,780.83
  6. Step 6: Final answer
    x = 7,032.00

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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.