Home / 27,771.29-38,289.62-23,178.66

Finding the Fourth Proportional to 27,771.29, 38,289.62 and 23,178.66

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Solution

The fourth proportional to 27,771.29, 38,289.62 and 23,178.66 is: 31,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.29 : 38,289.62 = 23,178.66 : x
  2. Step 2: Convert to fraction form
    27,771.29/38,289.62 = 23,178.66/x
  3. Step 3: Cross multiply
    27,771.29x = 38,289.62 × 23,178.66
  4. Step 4: Simplify right side
    27,771.29x = 887,501,967.62
  5. Step 5: Solve for x
    x = 887,501,967.62/27,771.29
  6. Step 6: Final answer
    x = 31,957.53

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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.