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Finding the Fourth Proportional to 24,374.94, 33,649.11 and 15,426.78

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Solution

The fourth proportional to 24,374.94, 33,649.11 and 15,426.78 is: 21,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,374.94 : 33,649.11 = 15,426.78 : x
  2. Step 2: Convert to fraction form
    24,374.94/33,649.11 = 15,426.78/x
  3. Step 3: Cross multiply
    24,374.94x = 33,649.11 × 15,426.78
  4. Step 4: Simplify right side
    24,374.94x = 519,097,417.17
  5. Step 5: Solve for x
    x = 519,097,417.17/24,374.94
  6. Step 6: Final answer
    x = 21,296.36

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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.