Home / 23,690.64-35,541.56-11,851.28

Finding the Fourth Proportional to 23,690.64, 35,541.56 and 11,851.28

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Solution

The fourth proportional to 23,690.64, 35,541.56 and 11,851.28 is: 17,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.64 : 35,541.56 = 11,851.28 : x
  2. Step 2: Convert to fraction form
    23,690.64/35,541.56 = 11,851.28/x
  3. Step 3: Cross multiply
    23,690.64x = 35,541.56 × 11,851.28
  4. Step 4: Simplify right side
    23,690.64x = 421,212,979.20
  5. Step 5: Solve for x
    x = 421,212,979.20/23,690.64
  6. Step 6: Final answer
    x = 17,779.72

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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.