Home / 27,259.32-40,880.34-8,787

Finding the Fourth Proportional to 27,259.32, 40,880.34 and 8,787

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Solution

The fourth proportional to 27,259.32, 40,880.34 and 8,787 is: 13,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.32 : 40,880.34 = 8,787 : x
  2. Step 2: Convert to fraction form
    27,259.32/40,880.34 = 8,787/x
  3. Step 3: Cross multiply
    27,259.32x = 40,880.34 × 8,787
  4. Step 4: Simplify right side
    27,259.32x = 359,215,547.58
  5. Step 5: Solve for x
    x = 359,215,547.58/27,259.32
  6. Step 6: Final answer
    x = 13,177.71

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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.