Home / 18,564.16-27,870-15,948.40

Finding the Fourth Proportional to 18,564.16, 27,870 and 15,948.40

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Solution

The fourth proportional to 18,564.16, 27,870 and 15,948.40 is: 23,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.16 : 27,870 = 15,948.40 : x
  2. Step 2: Convert to fraction form
    18,564.16/27,870 = 15,948.40/x
  3. Step 3: Cross multiply
    18,564.16x = 27,870 × 15,948.40
  4. Step 4: Simplify right side
    18,564.16x = 444,481,908
  5. Step 5: Solve for x
    x = 444,481,908/18,564.16
  6. Step 6: Final answer
    x = 23,943.01

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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.