Home / 29,690.76-40,973.16-16,768.62

Finding the Fourth Proportional to 29,690.76, 40,973.16 and 16,768.62

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Solution

The fourth proportional to 29,690.76, 40,973.16 and 16,768.62 is: 23,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,690.76 : 40,973.16 = 16,768.62 : x
  2. Step 2: Convert to fraction form
    29,690.76/40,973.16 = 16,768.62/x
  3. Step 3: Cross multiply
    29,690.76x = 40,973.16 × 16,768.62
  4. Step 4: Simplify right side
    29,690.76x = 687,063,350.24
  5. Step 5: Solve for x
    x = 687,063,350.24/29,690.76
  6. Step 6: Final answer
    x = 23,140.65

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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.