Home / 15,977.76-23,977.31-5,589.51

Finding the Fourth Proportional to 15,977.76, 23,977.31 and 5,589.51

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Solution

The fourth proportional to 15,977.76, 23,977.31 and 5,589.51 is: 8,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.76 : 23,977.31 = 5,589.51 : x
  2. Step 2: Convert to fraction form
    15,977.76/23,977.31 = 5,589.51/x
  3. Step 3: Cross multiply
    15,977.76x = 23,977.31 × 5,589.51
  4. Step 4: Simplify right side
    15,977.76x = 134,021,386.07
  5. Step 5: Solve for x
    x = 134,021,386.07/15,977.76
  6. Step 6: Final answer
    x = 8,388.00

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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.