Home / 29,266.77-40,387.86-15,837.75

Finding the Fourth Proportional to 29,266.77, 40,387.86 and 15,837.75

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Solution

The fourth proportional to 29,266.77, 40,387.86 and 15,837.75 is: 21,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.77 : 40,387.86 = 15,837.75 : x
  2. Step 2: Convert to fraction form
    29,266.77/40,387.86 = 15,837.75/x
  3. Step 3: Cross multiply
    29,266.77x = 40,387.86 × 15,837.75
  4. Step 4: Simplify right side
    29,266.77x = 639,652,829.72
  5. Step 5: Solve for x
    x = 639,652,829.72/29,266.77
  6. Step 6: Final answer
    x = 21,855.94

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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.