Home / 25,515.14-38,246.39-18,477.46

Finding the Fourth Proportional to 25,515.14, 38,246.39 and 18,477.46

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Solution

The fourth proportional to 25,515.14, 38,246.39 and 18,477.46 is: 27,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.14 : 38,246.39 = 18,477.46 : x
  2. Step 2: Convert to fraction form
    25,515.14/38,246.39 = 18,477.46/x
  3. Step 3: Cross multiply
    25,515.14x = 38,246.39 × 18,477.46
  4. Step 4: Simplify right side
    25,515.14x = 706,695,857.75
  5. Step 5: Solve for x
    x = 706,695,857.75/25,515.14
  6. Step 6: Final answer
    x = 27,697.12

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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.