Home / 25,807.56-38,735.10-15,966.06

Finding the Fourth Proportional to 25,807.56, 38,735.10 and 15,966.06

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Solution

The fourth proportional to 25,807.56, 38,735.10 and 15,966.06 is: 23,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,807.56 : 38,735.10 = 15,966.06 : x
  2. Step 2: Convert to fraction form
    25,807.56/38,735.10 = 15,966.06/x
  3. Step 3: Cross multiply
    25,807.56x = 38,735.10 × 15,966.06
  4. Step 4: Simplify right side
    25,807.56x = 618,446,930.71
  5. Step 5: Solve for x
    x = 618,446,930.71/25,807.56
  6. Step 6: Final answer
    x = 23,963.79

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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.