Home / 29,266.24-40,387.21-15,837.15

Finding the Fourth Proportional to 29,266.24, 40,387.21 and 15,837.15

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Solution

The fourth proportional to 29,266.24, 40,387.21 and 15,837.15 is: 21,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.24 : 40,387.21 = 15,837.15 : x
  2. Step 2: Convert to fraction form
    29,266.24/40,387.21 = 15,837.15/x
  3. Step 3: Cross multiply
    29,266.24x = 40,387.21 × 15,837.15
  4. Step 4: Simplify right side
    29,266.24x = 639,618,073.94
  5. Step 5: Solve for x
    x = 639,618,073.94/29,266.24
  6. Step 6: Final answer
    x = 21,855.15

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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.