Home / 27,749.59-41,623.47-12,938.13

Finding the Fourth Proportional to 27,749.59, 41,623.47 and 12,938.13

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Solution

The fourth proportional to 27,749.59, 41,623.47 and 12,938.13 is: 19,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.59 : 41,623.47 = 12,938.13 : x
  2. Step 2: Convert to fraction form
    27,749.59/41,623.47 = 12,938.13/x
  3. Step 3: Cross multiply
    27,749.59x = 41,623.47 × 12,938.13
  4. Step 4: Simplify right side
    27,749.59x = 538,529,865.91
  5. Step 5: Solve for x
    x = 538,529,865.91/27,749.59
  6. Step 6: Final answer
    x = 19,406.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.