Home / 40,931.28-61,335.36-27,738

Finding the Fourth Proportional to 40,931.28, 61,335.36 and 27,738

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Solution

The fourth proportional to 40,931.28, 61,335.36 and 27,738 is: 41,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.28 : 61,335.36 = 27,738 : x
  2. Step 2: Convert to fraction form
    40,931.28/61,335.36 = 27,738/x
  3. Step 3: Cross multiply
    40,931.28x = 61,335.36 × 27,738
  4. Step 4: Simplify right side
    40,931.28x = 1,701,320,215.68
  5. Step 5: Solve for x
    x = 1,701,320,215.68/40,931.28
  6. Step 6: Final answer
    x = 41,565.28

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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.