Home / 27,316.43-40,941.80-11,515.35

Finding the Fourth Proportional to 27,316.43, 40,941.80 and 11,515.35

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Solution

The fourth proportional to 27,316.43, 40,941.80 and 11,515.35 is: 17,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.43 : 40,941.80 = 11,515.35 : x
  2. Step 2: Convert to fraction form
    27,316.43/40,941.80 = 11,515.35/x
  3. Step 3: Cross multiply
    27,316.43x = 40,941.80 × 11,515.35
  4. Step 4: Simplify right side
    27,316.43x = 471,459,156.63
  5. Step 5: Solve for x
    x = 471,459,156.63/27,316.43
  6. Step 6: Final answer
    x = 17,259.18

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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.