Home / 23,780.64-32,811.60-15,395.52

Finding the Fourth Proportional to 23,780.64, 32,811.60 and 15,395.52

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Solution

The fourth proportional to 23,780.64, 32,811.60 and 15,395.52 is: 21,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.64 : 32,811.60 = 15,395.52 : x
  2. Step 2: Convert to fraction form
    23,780.64/32,811.60 = 15,395.52/x
  3. Step 3: Cross multiply
    23,780.64x = 32,811.60 × 15,395.52
  4. Step 4: Simplify right side
    23,780.64x = 505,151,644.03
  5. Step 5: Solve for x
    x = 505,151,644.03/23,780.64
  6. Step 6: Final answer
    x = 21,242.14

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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.