Home / 29,381.28-40,526.12-18,766.16

Finding the Fourth Proportional to 29,381.28, 40,526.12 and 18,766.16

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Solution

The fourth proportional to 29,381.28, 40,526.12 and 18,766.16 is: 25,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.28 : 40,526.12 = 18,766.16 : x
  2. Step 2: Convert to fraction form
    29,381.28/40,526.12 = 18,766.16/x
  3. Step 3: Cross multiply
    29,381.28x = 40,526.12 × 18,766.16
  4. Step 4: Simplify right side
    29,381.28x = 760,519,652.10
  5. Step 5: Solve for x
    x = 760,519,652.10/29,381.28
  6. Step 6: Final answer
    x = 25,884.50

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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.