Home / 26,799.04-40,168.32-12,931.84

Finding the Fourth Proportional to 26,799.04, 40,168.32 and 12,931.84

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Solution

The fourth proportional to 26,799.04, 40,168.32 and 12,931.84 is: 19,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.04 : 40,168.32 = 12,931.84 : x
  2. Step 2: Convert to fraction form
    26,799.04/40,168.32 = 12,931.84/x
  3. Step 3: Cross multiply
    26,799.04x = 40,168.32 × 12,931.84
  4. Step 4: Simplify right side
    26,799.04x = 519,450,287.31
  5. Step 5: Solve for x
    x = 519,450,287.31/26,799.04
  6. Step 6: Final answer
    x = 19,383.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.