Home / 20,038.94-27,651.34-11,085.23

Finding the Fourth Proportional to 20,038.94, 27,651.34 and 11,085.23

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Solution

The fourth proportional to 20,038.94, 27,651.34 and 11,085.23 is: 15,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.94 : 27,651.34 = 11,085.23 : x
  2. Step 2: Convert to fraction form
    20,038.94/27,651.34 = 11,085.23/x
  3. Step 3: Cross multiply
    20,038.94x = 27,651.34 × 11,085.23
  4. Step 4: Simplify right side
    20,038.94x = 306,521,463.71
  5. Step 5: Solve for x
    x = 306,521,463.71/20,038.94
  6. Step 6: Final answer
    x = 15,296.29

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Double scale
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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.