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Finding the Fourth Proportional to 27,111.88, 40,483.29 and 23,922.74

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Solution

The fourth proportional to 27,111.88, 40,483.29 and 23,922.74 is: 35,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.88 : 40,483.29 = 23,922.74 : x
  2. Step 2: Convert to fraction form
    27,111.88/40,483.29 = 23,922.74/x
  3. Step 3: Cross multiply
    27,111.88x = 40,483.29 × 23,922.74
  4. Step 4: Simplify right side
    27,111.88x = 968,471,018.60
  5. Step 5: Solve for x
    x = 968,471,018.60/27,111.88
  6. Step 6: Final answer
    x = 35,721.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.