Home / 54,258.04-81,365.16-16,809.28

Finding the Fourth Proportional to 54,258.04, 81,365.16 and 16,809.28

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Solution

The fourth proportional to 54,258.04, 81,365.16 and 16,809.28 is: 25,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.04 : 81,365.16 = 16,809.28 : x
  2. Step 2: Convert to fraction form
    54,258.04/81,365.16 = 16,809.28/x
  3. Step 3: Cross multiply
    54,258.04x = 81,365.16 × 16,809.28
  4. Step 4: Simplify right side
    54,258.04x = 1,367,689,756.68
  5. Step 5: Solve for x
    x = 1,367,689,756.68/54,258.04
  6. Step 6: Final answer
    x = 25,207.14

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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.