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Finding the Fourth Proportional to 24,456.51, 33,750.18 and 13,278.51

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Solution

The fourth proportional to 24,456.51, 33,750.18 and 13,278.51 is: 18,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,456.51 : 33,750.18 = 13,278.51 : x
  2. Step 2: Convert to fraction form
    24,456.51/33,750.18 = 13,278.51/x
  3. Step 3: Cross multiply
    24,456.51x = 33,750.18 × 13,278.51
  4. Step 4: Simplify right side
    24,456.51x = 448,152,102.63
  5. Step 5: Solve for x
    x = 448,152,102.63/24,456.51
  6. Step 6: Final answer
    x = 18,324.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.