Home / 25,507.89-38,265.78-13,021.14

Finding the Fourth Proportional to 25,507.89, 38,265.78 and 13,021.14

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Solution

The fourth proportional to 25,507.89, 38,265.78 and 13,021.14 is: 19,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.89 : 38,265.78 = 13,021.14 : x
  2. Step 2: Convert to fraction form
    25,507.89/38,265.78 = 13,021.14/x
  3. Step 3: Cross multiply
    25,507.89x = 38,265.78 × 13,021.14
  4. Step 4: Simplify right side
    25,507.89x = 498,264,078.59
  5. Step 5: Solve for x
    x = 498,264,078.59/25,507.89
  6. Step 6: Final answer
    x = 19,533.72

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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.