Home / 26,873.68-40,129.42-21,953.04

Finding the Fourth Proportional to 26,873.68, 40,129.42 and 21,953.04

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Solution

The fourth proportional to 26,873.68, 40,129.42 and 21,953.04 is: 32,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,873.68 : 40,129.42 = 21,953.04 : x
  2. Step 2: Convert to fraction form
    26,873.68/40,129.42 = 21,953.04/x
  3. Step 3: Cross multiply
    26,873.68x = 40,129.42 × 21,953.04
  4. Step 4: Simplify right side
    26,873.68x = 880,962,762.44
  5. Step 5: Solve for x
    x = 880,962,762.44/26,873.68
  6. Step 6: Final answer
    x = 32,781.62

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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.