Home / 28,207.04-42,328.13-25,579.28

Finding the Fourth Proportional to 28,207.04, 42,328.13 and 25,579.28

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Solution

The fourth proportional to 28,207.04, 42,328.13 and 25,579.28 is: 38,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.04 : 42,328.13 = 25,579.28 : x
  2. Step 2: Convert to fraction form
    28,207.04/42,328.13 = 25,579.28/x
  3. Step 3: Cross multiply
    28,207.04x = 42,328.13 × 25,579.28
  4. Step 4: Simplify right side
    28,207.04x = 1,082,723,067.07
  5. Step 5: Solve for x
    x = 1,082,723,067.07/28,207.04
  6. Step 6: Final answer
    x = 38,384.86

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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.