Home / 25,743.76-38,621.30-14,655.64

Finding the Fourth Proportional to 25,743.76, 38,621.30 and 14,655.64

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Solution

The fourth proportional to 25,743.76, 38,621.30 and 14,655.64 is: 21,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.76 : 38,621.30 = 14,655.64 : x
  2. Step 2: Convert to fraction form
    25,743.76/38,621.30 = 14,655.64/x
  3. Step 3: Cross multiply
    25,743.76x = 38,621.30 × 14,655.64
  4. Step 4: Simplify right side
    25,743.76x = 566,019,869.13
  5. Step 5: Solve for x
    x = 566,019,869.13/25,743.76
  6. Step 6: Final answer
    x = 21,986.68

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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.