Home / 26,872.85-40,309.28-13,031.57

Finding the Fourth Proportional to 26,872.85, 40,309.28 and 13,031.57

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Solution

The fourth proportional to 26,872.85, 40,309.28 and 13,031.57 is: 19,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.85 : 40,309.28 = 13,031.57 : x
  2. Step 2: Convert to fraction form
    26,872.85/40,309.28 = 13,031.57/x
  3. Step 3: Cross multiply
    26,872.85x = 40,309.28 × 13,031.57
  4. Step 4: Simplify right side
    26,872.85x = 525,292,937.27
  5. Step 5: Solve for x
    x = 525,292,937.27/26,872.85
  6. Step 6: Final answer
    x = 19,547.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.