Home / 25,358.94-38,029.23-13,505.40

Finding the Fourth Proportional to 25,358.94, 38,029.23 and 13,505.40

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Solution

The fourth proportional to 25,358.94, 38,029.23 and 13,505.40 is: 20,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,358.94 : 38,029.23 = 13,505.40 : x
  2. Step 2: Convert to fraction form
    25,358.94/38,029.23 = 13,505.40/x
  3. Step 3: Cross multiply
    25,358.94x = 38,029.23 × 13,505.40
  4. Step 4: Simplify right side
    25,358.94x = 513,599,962.84
  5. Step 5: Solve for x
    x = 513,599,962.84/25,358.94
  6. Step 6: Final answer
    x = 20,253.21

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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.