Home / 25,516.53-38,248.44-18,478.83

Finding the Fourth Proportional to 25,516.53, 38,248.44 and 18,478.83

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Solution

The fourth proportional to 25,516.53, 38,248.44 and 18,478.83 is: 27,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.53 : 38,248.44 = 18,478.83 : x
  2. Step 2: Convert to fraction form
    25,516.53/38,248.44 = 18,478.83/x
  3. Step 3: Cross multiply
    25,516.53x = 38,248.44 × 18,478.83
  4. Step 4: Simplify right side
    25,516.53x = 706,786,420.53
  5. Step 5: Solve for x
    x = 706,786,420.53/25,516.53
  6. Step 6: Final answer
    x = 27,699.16

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1.5x scale

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.