Home / 27,760.76-38,276.34-19,270.10

Finding the Fourth Proportional to 27,760.76, 38,276.34 and 19,270.10

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Solution

The fourth proportional to 27,760.76, 38,276.34 and 19,270.10 is: 26,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.76 : 38,276.34 = 19,270.10 : x
  2. Step 2: Convert to fraction form
    27,760.76/38,276.34 = 19,270.10/x
  3. Step 3: Cross multiply
    27,760.76x = 38,276.34 × 19,270.10
  4. Step 4: Simplify right side
    27,760.76x = 737,588,899.43
  5. Step 5: Solve for x
    x = 737,588,899.43/27,760.76
  6. Step 6: Final answer
    x = 26,569.48

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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.