Home / 29,282.28-40,426.98-18,119.40

Finding the Fourth Proportional to 29,282.28, 40,426.98 and 18,119.40

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Solution

The fourth proportional to 29,282.28, 40,426.98 and 18,119.40 is: 25,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,282.28 : 40,426.98 = 18,119.40 : x
  2. Step 2: Convert to fraction form
    29,282.28/40,426.98 = 18,119.40/x
  3. Step 3: Cross multiply
    29,282.28x = 40,426.98 × 18,119.40
  4. Step 4: Simplify right side
    29,282.28x = 732,512,621.41
  5. Step 5: Solve for x
    x = 732,512,621.41/29,282.28
  6. Step 6: Final answer
    x = 25,015.56

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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.