Home / 25,329.02-38,004.46-13,639.91

Finding the Fourth Proportional to 25,329.02, 38,004.46 and 13,639.91

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Solution

The fourth proportional to 25,329.02, 38,004.46 and 13,639.91 is: 20,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.02 : 38,004.46 = 13,639.91 : x
  2. Step 2: Convert to fraction form
    25,329.02/38,004.46 = 13,639.91/x
  3. Step 3: Cross multiply
    25,329.02x = 38,004.46 × 13,639.91
  4. Step 4: Simplify right side
    25,329.02x = 518,377,189.88
  5. Step 5: Solve for x
    x = 518,377,189.88/25,329.02
  6. Step 6: Final answer
    x = 20,465.75

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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.