Home / 27,264.60-40,824-15,561.72

Finding the Fourth Proportional to 27,264.60, 40,824 and 15,561.72

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Solution

The fourth proportional to 27,264.60, 40,824 and 15,561.72 is: 23,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,264.60 : 40,824 = 15,561.72 : x
  2. Step 2: Convert to fraction form
    27,264.60/40,824 = 15,561.72/x
  3. Step 3: Cross multiply
    27,264.60x = 40,824 × 15,561.72
  4. Step 4: Simplify right side
    27,264.60x = 635,291,657.28
  5. Step 5: Solve for x
    x = 635,291,657.28/27,264.60
  6. Step 6: Final answer
    x = 23,300.97

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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.