Home / 18,386.24-27,579.04-4,535.20

Finding the Fourth Proportional to 18,386.24, 27,579.04 and 4,535.20

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Solution

The fourth proportional to 18,386.24, 27,579.04 and 4,535.20 is: 6,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.24 : 27,579.04 = 4,535.20 : x
  2. Step 2: Convert to fraction form
    18,386.24/27,579.04 = 4,535.20/x
  3. Step 3: Cross multiply
    18,386.24x = 27,579.04 × 4,535.20
  4. Step 4: Simplify right side
    18,386.24x = 125,076,462.21
  5. Step 5: Solve for x
    x = 125,076,462.21/18,386.24
  6. Step 6: Final answer
    x = 6,802.72

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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.