Home / 25,619.90-35,345.26-15,544.64

Finding the Fourth Proportional to 25,619.90, 35,345.26 and 15,544.64

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Solution

The fourth proportional to 25,619.90, 35,345.26 and 15,544.64 is: 21,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.90 : 35,345.26 = 15,544.64 : x
  2. Step 2: Convert to fraction form
    25,619.90/35,345.26 = 15,544.64/x
  3. Step 3: Cross multiply
    25,619.90x = 35,345.26 × 15,544.64
  4. Step 4: Simplify right side
    25,619.90x = 549,429,342.41
  5. Step 5: Solve for x
    x = 549,429,342.41/25,619.90
  6. Step 6: Final answer
    x = 21,445.41

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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.