Home / 27,730.42-38,282.10-17,126.22

Finding the Fourth Proportional to 27,730.42, 38,282.10 and 17,126.22

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Solution

The fourth proportional to 27,730.42, 38,282.10 and 17,126.22 is: 23,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730.42 : 38,282.10 = 17,126.22 : x
  2. Step 2: Convert to fraction form
    27,730.42/38,282.10 = 17,126.22/x
  3. Step 3: Cross multiply
    27,730.42x = 38,282.10 × 17,126.22
  4. Step 4: Simplify right side
    27,730.42x = 655,627,666.66
  5. Step 5: Solve for x
    x = 655,627,666.66/27,730.42
  6. Step 6: Final answer
    x = 23,642.90

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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.