Home / 27,275.81-37,641.11-15,945.73

Finding the Fourth Proportional to 27,275.81, 37,641.11 and 15,945.73

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Solution

The fourth proportional to 27,275.81, 37,641.11 and 15,945.73 is: 22,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.81 : 37,641.11 = 15,945.73 : x
  2. Step 2: Convert to fraction form
    27,275.81/37,641.11 = 15,945.73/x
  3. Step 3: Cross multiply
    27,275.81x = 37,641.11 × 15,945.73
  4. Step 4: Simplify right side
    27,275.81x = 600,214,803.13
  5. Step 5: Solve for x
    x = 600,214,803.13/27,275.81
  6. Step 6: Final answer
    x = 22,005.39

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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.