Home / 17,977.52-26,959.80-12,430.64

Finding the Fourth Proportional to 17,977.52, 26,959.80 and 12,430.64

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Solution

The fourth proportional to 17,977.52, 26,959.80 and 12,430.64 is: 18,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.52 : 26,959.80 = 12,430.64 : x
  2. Step 2: Convert to fraction form
    17,977.52/26,959.80 = 12,430.64/x
  3. Step 3: Cross multiply
    17,977.52x = 26,959.80 × 12,430.64
  4. Step 4: Simplify right side
    17,977.52x = 335,127,568.27
  5. Step 5: Solve for x
    x = 335,127,568.27/17,977.52
  6. Step 6: Final answer
    x = 18,641.48

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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.