Home / 27,282.42-37,639.08-15,343.02

Finding the Fourth Proportional to 27,282.42, 37,639.08 and 15,343.02

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Solution

The fourth proportional to 27,282.42, 37,639.08 and 15,343.02 is: 21,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.42 : 37,639.08 = 15,343.02 : x
  2. Step 2: Convert to fraction form
    27,282.42/37,639.08 = 15,343.02/x
  3. Step 3: Cross multiply
    27,282.42x = 37,639.08 × 15,343.02
  4. Step 4: Simplify right side
    27,282.42x = 577,497,157.22
  5. Step 5: Solve for x
    x = 577,497,157.22/27,282.42
  6. Step 6: Final answer
    x = 21,167.37

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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.