Home / 27,801.69-38,366.45-15,226.44

Finding the Fourth Proportional to 27,801.69, 38,366.45 and 15,226.44

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Solution

The fourth proportional to 27,801.69, 38,366.45 and 15,226.44 is: 21,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.69 : 38,366.45 = 15,226.44 : x
  2. Step 2: Convert to fraction form
    27,801.69/38,366.45 = 15,226.44/x
  3. Step 3: Cross multiply
    27,801.69x = 38,366.45 × 15,226.44
  4. Step 4: Simplify right side
    27,801.69x = 584,184,372.81
  5. Step 5: Solve for x
    x = 584,184,372.81/27,801.69
  6. Step 6: Final answer
    x = 21,012.55

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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.