Home / 27,117.22-37,417.82-15,178.36

Finding the Fourth Proportional to 27,117.22, 37,417.82 and 15,178.36

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Solution

The fourth proportional to 27,117.22, 37,417.82 and 15,178.36 is: 20,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.22 : 37,417.82 = 15,178.36 : x
  2. Step 2: Convert to fraction form
    27,117.22/37,417.82 = 15,178.36/x
  3. Step 3: Cross multiply
    27,117.22x = 37,417.82 × 15,178.36
  4. Step 4: Simplify right side
    27,117.22x = 567,941,142.38
  5. Step 5: Solve for x
    x = 567,941,142.38/27,117.22
  6. Step 6: Final answer
    x = 20,943.93

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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.