Home / 29,690.25-40,972.13-16,947.47

Finding the Fourth Proportional to 29,690.25, 40,972.13 and 16,947.47

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Solution

The fourth proportional to 29,690.25, 40,972.13 and 16,947.47 is: 23,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.25 : 40,972.13 = 16,947.47 : x
  2. Step 2: Convert to fraction form
    29,690.25/40,972.13 = 16,947.47/x
  3. Step 3: Cross multiply
    29,690.25x = 40,972.13 × 16,947.47
  4. Step 4: Simplify right side
    29,690.25x = 694,374,165.63
  5. Step 5: Solve for x
    x = 694,374,165.63/29,690.25
  6. Step 6: Final answer
    x = 23,387.28

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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.