Home / 29,512.64-40,723.56-18,903.28

Finding the Fourth Proportional to 29,512.64, 40,723.56 and 18,903.28

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Solution

The fourth proportional to 29,512.64, 40,723.56 and 18,903.28 is: 26,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,512.64 : 40,723.56 = 18,903.28 : x
  2. Step 2: Convert to fraction form
    29,512.64/40,723.56 = 18,903.28/x
  3. Step 3: Cross multiply
    29,512.64x = 40,723.56 × 18,903.28
  4. Step 4: Simplify right side
    29,512.64x = 769,808,857.28
  5. Step 5: Solve for x
    x = 769,808,857.28/29,512.64
  6. Step 6: Final answer
    x = 26,084.04

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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.