Home / 20,248.08-27,943.38-11,295.65

Finding the Fourth Proportional to 20,248.08, 27,943.38 and 11,295.65

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Solution

The fourth proportional to 20,248.08, 27,943.38 and 11,295.65 is: 15,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.08 : 27,943.38 = 11,295.65 : x
  2. Step 2: Convert to fraction form
    20,248.08/27,943.38 = 11,295.65/x
  3. Step 3: Cross multiply
    20,248.08x = 27,943.38 × 11,295.65
  4. Step 4: Simplify right side
    20,248.08x = 315,638,710.16
  5. Step 5: Solve for x
    x = 315,638,710.16/20,248.08
  6. Step 6: Final answer
    x = 15,588.58

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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.