Home / 25,702.79-35,467.90-15,629.83

Finding the Fourth Proportional to 25,702.79, 35,467.90 and 15,629.83

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Solution

The fourth proportional to 25,702.79, 35,467.90 and 15,629.83 is: 21,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.79 : 35,467.90 = 15,629.83 : x
  2. Step 2: Convert to fraction form
    25,702.79/35,467.90 = 15,629.83/x
  3. Step 3: Cross multiply
    25,702.79x = 35,467.90 × 15,629.83
  4. Step 4: Simplify right side
    25,702.79x = 554,357,119.71
  5. Step 5: Solve for x
    x = 554,357,119.71/25,702.79
  6. Step 6: Final answer
    x = 21,567.98

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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.